Home / 3,542.40-5,310.72-1,235.52

Finding the Fourth Proportional to 3,542.40, 5,310.72 and 1,235.52

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Solution

The fourth proportional to 3,542.40, 5,310.72 and 1,235.52 is: 1,852.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,542.40 : 5,310.72 = 1,235.52 : x
  2. Step 2: Convert to fraction form
    3,542.40/5,310.72 = 1,235.52/x
  3. Step 3: Cross multiply
    3,542.40x = 5,310.72 × 1,235.52
  4. Step 4: Simplify right side
    3,542.40x = 6,561,500.77
  5. Step 5: Solve for x
    x = 6,561,500.77/3,542.40
  6. Step 6: Final answer
    x = 1,852.28

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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.