Home / 2,559.97-3,839.76-999.68

Finding the Fourth Proportional to 2,559.97, 3,839.76 and 999.68

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Solution

The fourth proportional to 2,559.97, 3,839.76 and 999.68 is: 1,499.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,559.97 : 3,839.76 = 999.68 : x
  2. Step 2: Convert to fraction form
    2,559.97/3,839.76 = 999.68/x
  3. Step 3: Cross multiply
    2,559.97x = 3,839.76 × 999.68
  4. Step 4: Simplify right side
    2,559.97x = 3,838,512.08
  5. Step 5: Solve for x
    x = 3,838,512.08/2,559.97
  6. Step 6: Final answer
    x = 1,499.44

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1.5x scale

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.