Home / 1,839.59-2,538.61-1,000.28

Finding the Fourth Proportional to 1,839.59, 2,538.61 and 1,000.28

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Solution

The fourth proportional to 1,839.59, 2,538.61 and 1,000.28 is: 1,380.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,839.59 : 2,538.61 = 1,000.28 : x
  2. Step 2: Convert to fraction form
    1,839.59/2,538.61 = 1,000.28/x
  3. Step 3: Cross multiply
    1,839.59x = 2,538.61 × 1,000.28
  4. Step 4: Simplify right side
    1,839.59x = 2,539,324.66
  5. Step 5: Solve for x
    x = 2,539,324.66/1,839.59
  6. Step 6: Final answer
    x = 1,380.37

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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.