Home / 3,720.80-5,577.04-1,526.88

Finding the Fourth Proportional to 3,720.80, 5,577.04 and 1,526.88

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Solution

The fourth proportional to 3,720.80, 5,577.04 and 1,526.88 is: 2,288.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,720.80 : 5,577.04 = 1,526.88 : x
  2. Step 2: Convert to fraction form
    3,720.80/5,577.04 = 1,526.88/x
  3. Step 3: Cross multiply
    3,720.80x = 5,577.04 × 1,526.88
  4. Step 4: Simplify right side
    3,720.80x = 8,515,470.84
  5. Step 5: Solve for x
    x = 8,515,470.84/3,720.80
  6. Step 6: Final answer
    x = 2,288.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.