Home / 1,839.50-2,759.62-607.02

Finding the Fourth Proportional to 1,839.50, 2,759.62 and 607.02

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Solution

The fourth proportional to 1,839.50, 2,759.62 and 607.02 is: 910.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,839.50 : 2,759.62 = 607.02 : x
  2. Step 2: Convert to fraction form
    1,839.50/2,759.62 = 607.02/x
  3. Step 3: Cross multiply
    1,839.50x = 2,759.62 × 607.02
  4. Step 4: Simplify right side
    1,839.50x = 1,675,144.53
  5. Step 5: Solve for x
    x = 1,675,144.53/1,839.50
  6. Step 6: Final answer
    x = 910.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.