Home / 2,427.52-3,351.12-1,543.72

Finding the Fourth Proportional to 2,427.52, 3,351.12 and 1,543.72

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Solution

The fourth proportional to 2,427.52, 3,351.12 and 1,543.72 is: 2,131.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,427.52 : 3,351.12 = 1,543.72 : x
  2. Step 2: Convert to fraction form
    2,427.52/3,351.12 = 1,543.72/x
  3. Step 3: Cross multiply
    2,427.52x = 3,351.12 × 1,543.72
  4. Step 4: Simplify right side
    2,427.52x = 5,173,190.97
  5. Step 5: Solve for x
    x = 5,173,190.97/2,427.52
  6. Step 6: Final answer
    x = 2,131.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.