Home / 1,834.32-2,531.61-1,126.61

Finding the Fourth Proportional to 1,834.32, 2,531.61 and 1,126.61

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Solution

The fourth proportional to 1,834.32, 2,531.61 and 1,126.61 is: 1,554.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,834.32 : 2,531.61 = 1,126.61 : x
  2. Step 2: Convert to fraction form
    1,834.32/2,531.61 = 1,126.61/x
  3. Step 3: Cross multiply
    1,834.32x = 2,531.61 × 1,126.61
  4. Step 4: Simplify right side
    1,834.32x = 2,852,124.48
  5. Step 5: Solve for x
    x = 2,852,124.48/1,834.32
  6. Step 6: Final answer
    x = 1,554.87

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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.