Home / 3,240.11-4,470.57-2,354.37

Finding the Fourth Proportional to 3,240.11, 4,470.57 and 2,354.37

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Solution

The fourth proportional to 3,240.11, 4,470.57 and 2,354.37 is: 3,248.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,240.11 : 4,470.57 = 2,354.37 : x
  2. Step 2: Convert to fraction form
    3,240.11/4,470.57 = 2,354.37/x
  3. Step 3: Cross multiply
    3,240.11x = 4,470.57 × 2,354.37
  4. Step 4: Simplify right side
    3,240.11x = 10,525,375.89
  5. Step 5: Solve for x
    x = 10,525,375.89/3,240.11
  6. Step 6: Final answer
    x = 3,248.47

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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.