Home / 3,590.17-5,385.86-1,124.50

Finding the Fourth Proportional to 3,590.17, 5,385.86 and 1,124.50

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Solution

The fourth proportional to 3,590.17, 5,385.86 and 1,124.50 is: 1,686.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,590.17 : 5,385.86 = 1,124.50 : x
  2. Step 2: Convert to fraction form
    3,590.17/5,385.86 = 1,124.50/x
  3. Step 3: Cross multiply
    3,590.17x = 5,385.86 × 1,124.50
  4. Step 4: Simplify right side
    3,590.17x = 6,056,399.57
  5. Step 5: Solve for x
    x = 6,056,399.57/3,590.17
  6. Step 6: Final answer
    x = 1,686.94

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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.