Home / 3,590.15-5,385.50-1,124.96

Finding the Fourth Proportional to 3,590.15, 5,385.50 and 1,124.96

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Solution

The fourth proportional to 3,590.15, 5,385.50 and 1,124.96 is: 1,687.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,590.15 : 5,385.50 = 1,124.96 : x
  2. Step 2: Convert to fraction form
    3,590.15/5,385.50 = 1,124.96/x
  3. Step 3: Cross multiply
    3,590.15x = 5,385.50 × 1,124.96
  4. Step 4: Simplify right side
    3,590.15x = 6,058,466.46
  5. Step 5: Solve for x
    x = 6,058,466.46/3,590.15
  6. Step 6: Final answer
    x = 1,687.52

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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.