Home / 3,308.70-4,962.78-1,000.20

Finding the Fourth Proportional to 3,308.70, 4,962.78 and 1,000.20

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Solution

The fourth proportional to 3,308.70, 4,962.78 and 1,000.20 is: 1,500.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,308.70 : 4,962.78 = 1,000.20 : x
  2. Step 2: Convert to fraction form
    3,308.70/4,962.78 = 1,000.20/x
  3. Step 3: Cross multiply
    3,308.70x = 4,962.78 × 1,000.20
  4. Step 4: Simplify right side
    3,308.70x = 4,963,772.56
  5. Step 5: Solve for x
    x = 4,963,772.56/3,308.70
  6. Step 6: Final answer
    x = 1,500.22

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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.