Home / 3,739.77-5,565.52-3,615.20

Finding the Fourth Proportional to 3,739.77, 5,565.52 and 3,615.20

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Solution

The fourth proportional to 3,739.77, 5,565.52 and 3,615.20 is: 5,380.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,739.77 : 5,565.52 = 3,615.20 : x
  2. Step 2: Convert to fraction form
    3,739.77/5,565.52 = 3,615.20/x
  3. Step 3: Cross multiply
    3,739.77x = 5,565.52 × 3,615.20
  4. Step 4: Simplify right side
    3,739.77x = 20,120,422.00
  5. Step 5: Solve for x
    x = 20,120,422.00/3,739.77
  6. Step 6: Final answer
    x = 5,380.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.