Home / 2,220.16-3,330.36-576.71

Finding the Fourth Proportional to 2,220.16, 3,330.36 and 576.71

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Solution

The fourth proportional to 2,220.16, 3,330.36 and 576.71 is: 865.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220.16 : 3,330.36 = 576.71 : x
  2. Step 2: Convert to fraction form
    2,220.16/3,330.36 = 576.71/x
  3. Step 3: Cross multiply
    2,220.16x = 3,330.36 × 576.71
  4. Step 4: Simplify right side
    2,220.16x = 1,920,651.92
  5. Step 5: Solve for x
    x = 1,920,651.92/2,220.16
  6. Step 6: Final answer
    x = 865.10

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Double scale
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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.