Home / 3,700.90-5,551.76-1,235.89

Finding the Fourth Proportional to 3,700.90, 5,551.76 and 1,235.89

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Solution

The fourth proportional to 3,700.90, 5,551.76 and 1,235.89 is: 1,853.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,700.90 : 5,551.76 = 1,235.89 : x
  2. Step 2: Convert to fraction form
    3,700.90/5,551.76 = 1,235.89/x
  3. Step 3: Cross multiply
    3,700.90x = 5,551.76 × 1,235.89
  4. Step 4: Simplify right side
    3,700.90x = 6,861,353.88
  5. Step 5: Solve for x
    x = 6,861,353.88/3,700.90
  6. Step 6: Final answer
    x = 1,853.97

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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.