Home / 1,834.71-2,531.97-1,089.11

Finding the Fourth Proportional to 1,834.71, 2,531.97 and 1,089.11

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Solution

The fourth proportional to 1,834.71, 2,531.97 and 1,089.11 is: 1,503.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,834.71 : 2,531.97 = 1,089.11 : x
  2. Step 2: Convert to fraction form
    1,834.71/2,531.97 = 1,089.11/x
  3. Step 3: Cross multiply
    1,834.71x = 2,531.97 × 1,089.11
  4. Step 4: Simplify right side
    1,834.71x = 2,757,581.19
  5. Step 5: Solve for x
    x = 2,757,581.19/1,834.71
  6. Step 6: Final answer
    x = 1,503.01

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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.