Home / 1,542.88-2,311.80-1,233.10

Finding the Fourth Proportional to 1,542.88, 2,311.80 and 1,233.10

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Solution

The fourth proportional to 1,542.88, 2,311.80 and 1,233.10 is: 1,847.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,542.88 : 2,311.80 = 1,233.10 : x
  2. Step 2: Convert to fraction form
    1,542.88/2,311.80 = 1,233.10/x
  3. Step 3: Cross multiply
    1,542.88x = 2,311.80 × 1,233.10
  4. Step 4: Simplify right side
    1,542.88x = 2,850,680.58
  5. Step 5: Solve for x
    x = 2,850,680.58/1,542.88
  6. Step 6: Final answer
    x = 1,847.64

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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.