Home / 3,714.90-5,126.04-2,390.42

Finding the Fourth Proportional to 3,714.90, 5,126.04 and 2,390.42

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Solution

The fourth proportional to 3,714.90, 5,126.04 and 2,390.42 is: 3,298.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,714.90 : 5,126.04 = 2,390.42 : x
  2. Step 2: Convert to fraction form
    3,714.90/5,126.04 = 2,390.42/x
  3. Step 3: Cross multiply
    3,714.90x = 5,126.04 × 2,390.42
  4. Step 4: Simplify right side
    3,714.90x = 12,253,362.91
  5. Step 5: Solve for x
    x = 12,253,362.91/3,714.90
  6. Step 6: Final answer
    x = 3,298.44

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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.