Home / 1,549.11-2,323.64-379.13

Finding the Fourth Proportional to 1,549.11, 2,323.64 and 379.13

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Solution

The fourth proportional to 1,549.11, 2,323.64 and 379.13 is: 568.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,549.11 : 2,323.64 = 379.13 : x
  2. Step 2: Convert to fraction form
    1,549.11/2,323.64 = 379.13/x
  3. Step 3: Cross multiply
    1,549.11x = 2,323.64 × 379.13
  4. Step 4: Simplify right side
    1,549.11x = 880,948.12
  5. Step 5: Solve for x
    x = 880,948.12/1,549.11
  6. Step 6: Final answer
    x = 568.68

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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.