Home / 1,701.11-2,549.29-919.43

Finding the Fourth Proportional to 1,701.11, 2,549.29 and 919.43

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Solution

The fourth proportional to 1,701.11, 2,549.29 and 919.43 is: 1,377.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,701.11 : 2,549.29 = 919.43 : x
  2. Step 2: Convert to fraction form
    1,701.11/2,549.29 = 919.43/x
  3. Step 3: Cross multiply
    1,701.11x = 2,549.29 × 919.43
  4. Step 4: Simplify right side
    1,701.11x = 2,343,876.94
  5. Step 5: Solve for x
    x = 2,343,876.94/1,701.11
  6. Step 6: Final answer
    x = 1,377.85

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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.