Home / 3,116.88-4,296.24-2,941.92

Finding the Fourth Proportional to 3,116.88, 4,296.24 and 2,941.92

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Solution

The fourth proportional to 3,116.88, 4,296.24 and 2,941.92 is: 4,055.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,116.88 : 4,296.24 = 2,941.92 : x
  2. Step 2: Convert to fraction form
    3,116.88/4,296.24 = 2,941.92/x
  3. Step 3: Cross multiply
    3,116.88x = 4,296.24 × 2,941.92
  4. Step 4: Simplify right side
    3,116.88x = 12,639,194.38
  5. Step 5: Solve for x
    x = 12,639,194.38/3,116.88
  6. Step 6: Final answer
    x = 4,055.08

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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.