Home / 3,587.82-5,402.76-3,131.04

Finding the Fourth Proportional to 3,587.82, 5,402.76 and 3,131.04

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Solution

The fourth proportional to 3,587.82, 5,402.76 and 3,131.04 is: 4,714.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,587.82 : 5,402.76 = 3,131.04 : x
  2. Step 2: Convert to fraction form
    3,587.82/5,402.76 = 3,131.04/x
  3. Step 3: Cross multiply
    3,587.82x = 5,402.76 × 3,131.04
  4. Step 4: Simplify right side
    3,587.82x = 16,916,257.67
  5. Step 5: Solve for x
    x = 16,916,257.67/3,587.82
  6. Step 6: Final answer
    x = 4,714.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.