Home / 3,411.20-5,117.40-1,562.52

Finding the Fourth Proportional to 3,411.20, 5,117.40 and 1,562.52

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Solution

The fourth proportional to 3,411.20, 5,117.40 and 1,562.52 is: 2,344.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,411.20 : 5,117.40 = 1,562.52 : x
  2. Step 2: Convert to fraction form
    3,411.20/5,117.40 = 1,562.52/x
  3. Step 3: Cross multiply
    3,411.20x = 5,117.40 × 1,562.52
  4. Step 4: Simplify right side
    3,411.20x = 7,996,039.85
  5. Step 5: Solve for x
    x = 7,996,039.85/3,411.20
  6. Step 6: Final answer
    x = 2,344.05

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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.