Home / 3,714.75-5,127.57-2,669.85

Finding the Fourth Proportional to 3,714.75, 5,127.57 and 2,669.85

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Solution

The fourth proportional to 3,714.75, 5,127.57 and 2,669.85 is: 3,685.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,714.75 : 5,127.57 = 2,669.85 : x
  2. Step 2: Convert to fraction form
    3,714.75/5,127.57 = 2,669.85/x
  3. Step 3: Cross multiply
    3,714.75x = 5,127.57 × 2,669.85
  4. Step 4: Simplify right side
    3,714.75x = 13,689,842.76
  5. Step 5: Solve for x
    x = 13,689,842.76/3,714.75
  6. Step 6: Final answer
    x = 3,685.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.