Home / 3,184.68-4,391.10-2,951.40

Finding the Fourth Proportional to 3,184.68, 4,391.10 and 2,951.40

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Solution

The fourth proportional to 3,184.68, 4,391.10 and 2,951.40 is: 4,069.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,184.68 : 4,391.10 = 2,951.40 : x
  2. Step 2: Convert to fraction form
    3,184.68/4,391.10 = 2,951.40/x
  3. Step 3: Cross multiply
    3,184.68x = 4,391.10 × 2,951.40
  4. Step 4: Simplify right side
    3,184.68x = 12,959,892.54
  5. Step 5: Solve for x
    x = 12,959,892.54/3,184.68
  6. Step 6: Final answer
    x = 4,069.45

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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.