Home / 3,372.45-4,654.29-2,113.71

Finding the Fourth Proportional to 3,372.45, 4,654.29 and 2,113.71

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Solution

The fourth proportional to 3,372.45, 4,654.29 and 2,113.71 is: 2,917.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,372.45 : 4,654.29 = 2,113.71 : x
  2. Step 2: Convert to fraction form
    3,372.45/4,654.29 = 2,113.71/x
  3. Step 3: Cross multiply
    3,372.45x = 4,654.29 × 2,113.71
  4. Step 4: Simplify right side
    3,372.45x = 9,837,819.32
  5. Step 5: Solve for x
    x = 9,837,819.32/3,372.45
  6. Step 6: Final answer
    x = 2,917.11

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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.