Home / 2,934.68-4,399.02-1,290.92

Finding the Fourth Proportional to 2,934.68, 4,399.02 and 1,290.92

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Solution

The fourth proportional to 2,934.68, 4,399.02 and 1,290.92 is: 1,935.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,934.68 : 4,399.02 = 1,290.92 : x
  2. Step 2: Convert to fraction form
    2,934.68/4,399.02 = 1,290.92/x
  3. Step 3: Cross multiply
    2,934.68x = 4,399.02 × 1,290.92
  4. Step 4: Simplify right side
    2,934.68x = 5,678,793.90
  5. Step 5: Solve for x
    x = 5,678,793.90/2,934.68
  6. Step 6: Final answer
    x = 1,935.06

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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.