Home / 3,572.96-4,930.98-2,001.20

Finding the Fourth Proportional to 3,572.96, 4,930.98 and 2,001.20

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Solution

The fourth proportional to 3,572.96, 4,930.98 and 2,001.20 is: 2,761.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,572.96 : 4,930.98 = 2,001.20 : x
  2. Step 2: Convert to fraction form
    3,572.96/4,930.98 = 2,001.20/x
  3. Step 3: Cross multiply
    3,572.96x = 4,930.98 × 2,001.20
  4. Step 4: Simplify right side
    3,572.96x = 9,867,877.18
  5. Step 5: Solve for x
    x = 9,867,877.18/3,572.96
  6. Step 6: Final answer
    x = 2,761.82

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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.