Home / 3,764.28-5,643.72-1,655.04

Finding the Fourth Proportional to 3,764.28, 5,643.72 and 1,655.04

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Solution

The fourth proportional to 3,764.28, 5,643.72 and 1,655.04 is: 2,481.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,764.28 : 5,643.72 = 1,655.04 : x
  2. Step 2: Convert to fraction form
    3,764.28/5,643.72 = 1,655.04/x
  3. Step 3: Cross multiply
    3,764.28x = 5,643.72 × 1,655.04
  4. Step 4: Simplify right side
    3,764.28x = 9,340,582.35
  5. Step 5: Solve for x
    x = 9,340,582.35/3,764.28
  6. Step 6: Final answer
    x = 2,481.37

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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.