Home / 3,572.88-4,930.90-2,001.48

Finding the Fourth Proportional to 3,572.88, 4,930.90 and 2,001.48

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Solution

The fourth proportional to 3,572.88, 4,930.90 and 2,001.48 is: 2,762.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,572.88 : 4,930.90 = 2,001.48 : x
  2. Step 2: Convert to fraction form
    3,572.88/4,930.90 = 2,001.48/x
  3. Step 3: Cross multiply
    3,572.88x = 4,930.90 × 2,001.48
  4. Step 4: Simplify right side
    3,572.88x = 9,869,097.73
  5. Step 5: Solve for x
    x = 9,869,097.73/3,572.88
  6. Step 6: Final answer
    x = 2,762.22

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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.