Home / 1,839.52-2,538.56-1,000.22

Finding the Fourth Proportional to 1,839.52, 2,538.56 and 1,000.22

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Solution

The fourth proportional to 1,839.52, 2,538.56 and 1,000.22 is: 1,380.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,839.52 : 2,538.56 = 1,000.22 : x
  2. Step 2: Convert to fraction form
    1,839.52/2,538.56 = 1,000.22/x
  3. Step 3: Cross multiply
    1,839.52x = 2,538.56 × 1,000.22
  4. Step 4: Simplify right side
    1,839.52x = 2,539,119.83
  5. Step 5: Solve for x
    x = 2,539,119.83/1,839.52
  6. Step 6: Final answer
    x = 1,380.32

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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.