Home / 3,587.90-5,381.84-1,122.73

Finding the Fourth Proportional to 3,587.90, 5,381.84 and 1,122.73

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Solution

The fourth proportional to 3,587.90, 5,381.84 and 1,122.73 is: 1,684.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,587.90 : 5,381.84 = 1,122.73 : x
  2. Step 2: Convert to fraction form
    3,587.90/5,381.84 = 1,122.73/x
  3. Step 3: Cross multiply
    3,587.90x = 5,381.84 × 1,122.73
  4. Step 4: Simplify right side
    3,587.90x = 6,042,342.58
  5. Step 5: Solve for x
    x = 6,042,342.58/3,587.90
  6. Step 6: Final answer
    x = 1,684.09

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1.5x scale

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.