Home / 2,992.59-4,134.78-2,323.13

Finding the Fourth Proportional to 2,992.59, 4,134.78 and 2,323.13

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Solution

The fourth proportional to 2,992.59, 4,134.78 and 2,323.13 is: 3,209.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,992.59 : 4,134.78 = 2,323.13 : x
  2. Step 2: Convert to fraction form
    2,992.59/4,134.78 = 2,323.13/x
  3. Step 3: Cross multiply
    2,992.59x = 4,134.78 × 2,323.13
  4. Step 4: Simplify right side
    2,992.59x = 9,605,610.79
  5. Step 5: Solve for x
    x = 9,605,610.79/2,992.59
  6. Step 6: Final answer
    x = 3,209.80

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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.