Home / 2,960.27-4,439.98-880.49

Finding the Fourth Proportional to 2,960.27, 4,439.98 and 880.49

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Solution

The fourth proportional to 2,960.27, 4,439.98 and 880.49 is: 1,320.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,960.27 : 4,439.98 = 880.49 : x
  2. Step 2: Convert to fraction form
    2,960.27/4,439.98 = 880.49/x
  3. Step 3: Cross multiply
    2,960.27x = 4,439.98 × 880.49
  4. Step 4: Simplify right side
    2,960.27x = 3,909,357.99
  5. Step 5: Solve for x
    x = 3,909,357.99/2,960.27
  6. Step 6: Final answer
    x = 1,320.61

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1.5x scale

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.