Home / 3,275.24-4,515.30-2,391.08

Finding the Fourth Proportional to 3,275.24, 4,515.30 and 2,391.08

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Solution

The fourth proportional to 3,275.24, 4,515.30 and 2,391.08 is: 3,296.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,275.24 : 4,515.30 = 2,391.08 : x
  2. Step 2: Convert to fraction form
    3,275.24/4,515.30 = 2,391.08/x
  3. Step 3: Cross multiply
    3,275.24x = 4,515.30 × 2,391.08
  4. Step 4: Simplify right side
    3,275.24x = 10,796,443.52
  5. Step 5: Solve for x
    x = 10,796,443.52/3,275.24
  6. Step 6: Final answer
    x = 3,296.38

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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.