Home / 3,714.10-5,121.86-2,876.60

Finding the Fourth Proportional to 3,714.10, 5,121.86 and 2,876.60

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Solution

The fourth proportional to 3,714.10, 5,121.86 and 2,876.60 is: 3,966.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,714.10 : 5,121.86 = 2,876.60 : x
  2. Step 2: Convert to fraction form
    3,714.10/5,121.86 = 2,876.60/x
  3. Step 3: Cross multiply
    3,714.10x = 5,121.86 × 2,876.60
  4. Step 4: Simplify right side
    3,714.10x = 14,733,542.48
  5. Step 5: Solve for x
    x = 14,733,542.48/3,714.10
  6. Step 6: Final answer
    x = 3,966.92

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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.