Home / 3,148.47-4,723.92-1,174.10

Finding the Fourth Proportional to 3,148.47, 4,723.92 and 1,174.10

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Solution

The fourth proportional to 3,148.47, 4,723.92 and 1,174.10 is: 1,761.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148.47 : 4,723.92 = 1,174.10 : x
  2. Step 2: Convert to fraction form
    3,148.47/4,723.92 = 1,174.10/x
  3. Step 3: Cross multiply
    3,148.47x = 4,723.92 × 1,174.10
  4. Step 4: Simplify right side
    3,148.47x = 5,546,330.85
  5. Step 5: Solve for x
    x = 5,546,330.85/3,148.47
  6. Step 6: Final answer
    x = 1,761.60

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1.5x scale

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.