Home / 3,732.95-5,151.23-2,139.58

Finding the Fourth Proportional to 3,732.95, 5,151.23 and 2,139.58

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Solution

The fourth proportional to 3,732.95, 5,151.23 and 2,139.58 is: 2,952.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,732.95 : 5,151.23 = 2,139.58 : x
  2. Step 2: Convert to fraction form
    3,732.95/5,151.23 = 2,139.58/x
  3. Step 3: Cross multiply
    3,732.95x = 5,151.23 × 2,139.58
  4. Step 4: Simplify right side
    3,732.95x = 11,021,472.45
  5. Step 5: Solve for x
    x = 11,021,472.45/3,732.95
  6. Step 6: Final answer
    x = 2,952.48

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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.