Home / 2,279.13-3,419.60-1,457.18

Finding the Fourth Proportional to 2,279.13, 3,419.60 and 1,457.18

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Solution

The fourth proportional to 2,279.13, 3,419.60 and 1,457.18 is: 2,186.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,279.13 : 3,419.60 = 1,457.18 : x
  2. Step 2: Convert to fraction form
    2,279.13/3,419.60 = 1,457.18/x
  3. Step 3: Cross multiply
    2,279.13x = 3,419.60 × 1,457.18
  4. Step 4: Simplify right side
    2,279.13x = 4,982,972.73
  5. Step 5: Solve for x
    x = 4,982,972.73/2,279.13
  6. Step 6: Final answer
    x = 2,186.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.