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Finding the Fourth Proportional to 1,510.56, 2,266.08 and 741

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Solution

The fourth proportional to 1,510.56, 2,266.08 and 741 is: 1,111.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510.56 : 2,266.08 = 741 : x
  2. Step 2: Convert to fraction form
    1,510.56/2,266.08 = 741/x
  3. Step 3: Cross multiply
    1,510.56x = 2,266.08 × 741
  4. Step 4: Simplify right side
    1,510.56x = 1,679,165.28
  5. Step 5: Solve for x
    x = 1,679,165.28/1,510.56
  6. Step 6: Final answer
    x = 1,111.62

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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.