Home / 3,392.28-4,675.46-2,761.47

Finding the Fourth Proportional to 3,392.28, 4,675.46 and 2,761.47

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Solution

The fourth proportional to 3,392.28, 4,675.46 and 2,761.47 is: 3,806.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,392.28 : 4,675.46 = 2,761.47 : x
  2. Step 2: Convert to fraction form
    3,392.28/4,675.46 = 2,761.47/x
  3. Step 3: Cross multiply
    3,392.28x = 4,675.46 × 2,761.47
  4. Step 4: Simplify right side
    3,392.28x = 12,911,128.72
  5. Step 5: Solve for x
    x = 12,911,128.72/3,392.28
  6. Step 6: Final answer
    x = 3,806.03

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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.