Home / 3,690.52-5,534.43-1,224.88

Finding the Fourth Proportional to 3,690.52, 5,534.43 and 1,224.88

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Solution

The fourth proportional to 3,690.52, 5,534.43 and 1,224.88 is: 1,836.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,690.52 : 5,534.43 = 1,224.88 : x
  2. Step 2: Convert to fraction form
    3,690.52/5,534.43 = 1,224.88/x
  3. Step 3: Cross multiply
    3,690.52x = 5,534.43 × 1,224.88
  4. Step 4: Simplify right side
    3,690.52x = 6,779,012.62
  5. Step 5: Solve for x
    x = 6,779,012.62/3,690.52
  6. Step 6: Final answer
    x = 1,836.87

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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.