Home / 1,839.42-2,538.38-1,000.14

Finding the Fourth Proportional to 1,839.42, 2,538.38 and 1,000.14

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Solution

The fourth proportional to 1,839.42, 2,538.38 and 1,000.14 is: 1,380.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,839.42 : 2,538.38 = 1,000.14 : x
  2. Step 2: Convert to fraction form
    1,839.42/2,538.38 = 1,000.14/x
  3. Step 3: Cross multiply
    1,839.42x = 2,538.38 × 1,000.14
  4. Step 4: Simplify right side
    1,839.42x = 2,538,735.37
  5. Step 5: Solve for x
    x = 2,538,735.37/1,839.42
  6. Step 6: Final answer
    x = 1,380.18

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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.