Home / 1,839.60-2,538.57-1,000.29

Finding the Fourth Proportional to 1,839.60, 2,538.57 and 1,000.29

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Solution

The fourth proportional to 1,839.60, 2,538.57 and 1,000.29 is: 1,380.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,839.60 : 2,538.57 = 1,000.29 : x
  2. Step 2: Convert to fraction form
    1,839.60/2,538.57 = 1,000.29/x
  3. Step 3: Cross multiply
    1,839.60x = 2,538.57 × 1,000.29
  4. Step 4: Simplify right side
    1,839.60x = 2,539,306.19
  5. Step 5: Solve for x
    x = 2,539,306.19/1,839.60
  6. Step 6: Final answer
    x = 1,380.36

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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.