Home / 3,060.17-4,191.39-2,880.65

Finding the Fourth Proportional to 3,060.17, 4,191.39 and 2,880.65

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Solution

The fourth proportional to 3,060.17, 4,191.39 and 2,880.65 is: 3,945.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,060.17 : 4,191.39 = 2,880.65 : x
  2. Step 2: Convert to fraction form
    3,060.17/4,191.39 = 2,880.65/x
  3. Step 3: Cross multiply
    3,060.17x = 4,191.39 × 2,880.65
  4. Step 4: Simplify right side
    3,060.17x = 12,073,906.65
  5. Step 5: Solve for x
    x = 12,073,906.65/3,060.17
  6. Step 6: Final answer
    x = 3,945.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.