Home / 2,220.51-3,330.76-834.16

Finding the Fourth Proportional to 2,220.51, 3,330.76 and 834.16

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Solution

The fourth proportional to 2,220.51, 3,330.76 and 834.16 is: 1,251.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220.51 : 3,330.76 = 834.16 : x
  2. Step 2: Convert to fraction form
    2,220.51/3,330.76 = 834.16/x
  3. Step 3: Cross multiply
    2,220.51x = 3,330.76 × 834.16
  4. Step 4: Simplify right side
    2,220.51x = 2,778,386.76
  5. Step 5: Solve for x
    x = 2,778,386.76/2,220.51
  6. Step 6: Final answer
    x = 1,251.24

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.