Home / 1,849.39-2,774.22-616.80

Finding the Fourth Proportional to 1,849.39, 2,774.22 and 616.80

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Solution

The fourth proportional to 1,849.39, 2,774.22 and 616.80 is: 925.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,849.39 : 2,774.22 = 616.80 : x
  2. Step 2: Convert to fraction form
    1,849.39/2,774.22 = 616.80/x
  3. Step 3: Cross multiply
    1,849.39x = 2,774.22 × 616.80
  4. Step 4: Simplify right side
    1,849.39x = 1,711,125.02
  5. Step 5: Solve for x
    x = 1,711,125.02/1,849.39
  6. Step 6: Final answer
    x = 925.24

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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.