Home / 3,832.40-5,281.80-2,713.52

Finding the Fourth Proportional to 3,832.40, 5,281.80 and 2,713.52

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Solution

The fourth proportional to 3,832.40, 5,281.80 and 2,713.52 is: 3,739.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,832.40 : 5,281.80 = 2,713.52 : x
  2. Step 2: Convert to fraction form
    3,832.40/5,281.80 = 2,713.52/x
  3. Step 3: Cross multiply
    3,832.40x = 5,281.80 × 2,713.52
  4. Step 4: Simplify right side
    3,832.40x = 14,332,269.94
  5. Step 5: Solve for x
    x = 14,332,269.94/3,832.40
  6. Step 6: Final answer
    x = 3,739.76

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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.