Home / 3,714.40-5,125.44-2,458.09

Finding the Fourth Proportional to 3,714.40, 5,125.44 and 2,458.09

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Solution

The fourth proportional to 3,714.40, 5,125.44 and 2,458.09 is: 3,391.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,714.40 : 5,125.44 = 2,458.09 : x
  2. Step 2: Convert to fraction form
    3,714.40/5,125.44 = 2,458.09/x
  3. Step 3: Cross multiply
    3,714.40x = 5,125.44 × 2,458.09
  4. Step 4: Simplify right side
    3,714.40x = 12,598,792.81
  5. Step 5: Solve for x
    x = 12,598,792.81/3,714.40
  6. Step 6: Final answer
    x = 3,391.88

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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.