Home / 1,839.38-2,537.52-1,166.90

Finding the Fourth Proportional to 1,839.38, 2,537.52 and 1,166.90

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Solution

The fourth proportional to 1,839.38, 2,537.52 and 1,166.90 is: 1,609.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,839.38 : 2,537.52 = 1,166.90 : x
  2. Step 2: Convert to fraction form
    1,839.38/2,537.52 = 1,166.90/x
  3. Step 3: Cross multiply
    1,839.38x = 2,537.52 × 1,166.90
  4. Step 4: Simplify right side
    1,839.38x = 2,961,032.09
  5. Step 5: Solve for x
    x = 2,961,032.09/1,839.38
  6. Step 6: Final answer
    x = 1,609.80

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1.5x scale

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.