Home / 3,732.08-5,151.01-2,139.80

Finding the Fourth Proportional to 3,732.08, 5,151.01 and 2,139.80

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Solution

The fourth proportional to 3,732.08, 5,151.01 and 2,139.80 is: 2,953.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,732.08 : 5,151.01 = 2,139.80 : x
  2. Step 2: Convert to fraction form
    3,732.08/5,151.01 = 2,139.80/x
  3. Step 3: Cross multiply
    3,732.08x = 5,151.01 × 2,139.80
  4. Step 4: Simplify right side
    3,732.08x = 11,022,131.20
  5. Step 5: Solve for x
    x = 11,022,131.20/3,732.08
  6. Step 6: Final answer
    x = 2,953.35

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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.