Home / 3,700.78-5,551.26-1,234.60

Finding the Fourth Proportional to 3,700.78, 5,551.26 and 1,234.60

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Solution

The fourth proportional to 3,700.78, 5,551.26 and 1,234.60 is: 1,851.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,700.78 : 5,551.26 = 1,234.60 : x
  2. Step 2: Convert to fraction form
    3,700.78/5,551.26 = 1,234.60/x
  3. Step 3: Cross multiply
    3,700.78x = 5,551.26 × 1,234.60
  4. Step 4: Simplify right side
    3,700.78x = 6,853,585.60
  5. Step 5: Solve for x
    x = 6,853,585.60/3,700.78
  6. Step 6: Final answer
    x = 1,851.93

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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.