Home / 2,983.91-4,114.29-2,422.61

Finding the Fourth Proportional to 2,983.91, 4,114.29 and 2,422.61

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Solution

The fourth proportional to 2,983.91, 4,114.29 and 2,422.61 is: 3,340.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,983.91 : 4,114.29 = 2,422.61 : x
  2. Step 2: Convert to fraction form
    2,983.91/4,114.29 = 2,422.61/x
  3. Step 3: Cross multiply
    2,983.91x = 4,114.29 × 2,422.61
  4. Step 4: Simplify right side
    2,983.91x = 9,967,320.10
  5. Step 5: Solve for x
    x = 9,967,320.10/2,983.91
  6. Step 6: Final answer
    x = 3,340.36

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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.