Home / 3,764.80-5,646.12-1,299.52

Finding the Fourth Proportional to 3,764.80, 5,646.12 and 1,299.52

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Solution

The fourth proportional to 3,764.80, 5,646.12 and 1,299.52 is: 1,948.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,764.80 : 5,646.12 = 1,299.52 : x
  2. Step 2: Convert to fraction form
    3,764.80/5,646.12 = 1,299.52/x
  3. Step 3: Cross multiply
    3,764.80x = 5,646.12 × 1,299.52
  4. Step 4: Simplify right side
    3,764.80x = 7,337,245.86
  5. Step 5: Solve for x
    x = 7,337,245.86/3,764.80
  6. Step 6: Final answer
    x = 1,948.91

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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.