Home / 2,314.12-3,472.68-1,218.16

Finding the Fourth Proportional to 2,314.12, 3,472.68 and 1,218.16

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Solution

The fourth proportional to 2,314.12, 3,472.68 and 1,218.16 is: 1,828.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,314.12 : 3,472.68 = 1,218.16 : x
  2. Step 2: Convert to fraction form
    2,314.12/3,472.68 = 1,218.16/x
  3. Step 3: Cross multiply
    2,314.12x = 3,472.68 × 1,218.16
  4. Step 4: Simplify right side
    2,314.12x = 4,230,279.87
  5. Step 5: Solve for x
    x = 4,230,279.87/2,314.12
  6. Step 6: Final answer
    x = 1,828.03

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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.