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Finding the Fourth Proportional to 1,510.06, 2,084.25 and 920.92

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Solution

The fourth proportional to 1,510.06, 2,084.25 and 920.92 is: 1,271.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510.06 : 2,084.25 = 920.92 : x
  2. Step 2: Convert to fraction form
    1,510.06/2,084.25 = 920.92/x
  3. Step 3: Cross multiply
    1,510.06x = 2,084.25 × 920.92
  4. Step 4: Simplify right side
    1,510.06x = 1,919,427.51
  5. Step 5: Solve for x
    x = 1,919,427.51/1,510.06
  6. Step 6: Final answer
    x = 1,271.09

Related Problems

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.