Home / 3,454.74-5,182.92-1,374.87

Finding the Fourth Proportional to 3,454.74, 5,182.92 and 1,374.87

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Solution

The fourth proportional to 3,454.74, 5,182.92 and 1,374.87 is: 2,062.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,454.74 : 5,182.92 = 1,374.87 : x
  2. Step 2: Convert to fraction form
    3,454.74/5,182.92 = 1,374.87/x
  3. Step 3: Cross multiply
    3,454.74x = 5,182.92 × 1,374.87
  4. Step 4: Simplify right side
    3,454.74x = 7,125,841.22
  5. Step 5: Solve for x
    x = 7,125,841.22/3,454.74
  6. Step 6: Final answer
    x = 2,062.63

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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.