Home / 3,572.86-4,930.55-2,175.61

Finding the Fourth Proportional to 3,572.86, 4,930.55 and 2,175.61

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Solution

The fourth proportional to 3,572.86, 4,930.55 and 2,175.61 is: 3,002.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,572.86 : 4,930.55 = 2,175.61 : x
  2. Step 2: Convert to fraction form
    3,572.86/4,930.55 = 2,175.61/x
  3. Step 3: Cross multiply
    3,572.86x = 4,930.55 × 2,175.61
  4. Step 4: Simplify right side
    3,572.86x = 10,726,941.97
  5. Step 5: Solve for x
    x = 10,726,941.97/3,572.86
  6. Step 6: Final answer
    x = 3,002.34

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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.