Home / 2,552.20-3,521.30-1,543.48

Finding the Fourth Proportional to 2,552.20, 3,521.30 and 1,543.48

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Solution

The fourth proportional to 2,552.20, 3,521.30 and 1,543.48 is: 2,129.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,552.20 : 3,521.30 = 1,543.48 : x
  2. Step 2: Convert to fraction form
    2,552.20/3,521.30 = 1,543.48/x
  3. Step 3: Cross multiply
    2,552.20x = 3,521.30 × 1,543.48
  4. Step 4: Simplify right side
    2,552.20x = 5,435,056.12
  5. Step 5: Solve for x
    x = 5,435,056.12/2,552.20
  6. Step 6: Final answer
    x = 2,129.56

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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.