Home / 1,834.31-2,531.49-1,135.82

Finding the Fourth Proportional to 1,834.31, 2,531.49 and 1,135.82

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Solution

The fourth proportional to 1,834.31, 2,531.49 and 1,135.82 is: 1,567.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,834.31 : 2,531.49 = 1,135.82 : x
  2. Step 2: Convert to fraction form
    1,834.31/2,531.49 = 1,135.82/x
  3. Step 3: Cross multiply
    1,834.31x = 2,531.49 × 1,135.82
  4. Step 4: Simplify right side
    1,834.31x = 2,875,316.97
  5. Step 5: Solve for x
    x = 2,875,316.97/1,834.31
  6. Step 6: Final answer
    x = 1,567.52

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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.