Home / 3,192.75-4,761.35-2,838.78

Finding the Fourth Proportional to 3,192.75, 4,761.35 and 2,838.78

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Solution

The fourth proportional to 3,192.75, 4,761.35 and 2,838.78 is: 4,233.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,192.75 : 4,761.35 = 2,838.78 : x
  2. Step 2: Convert to fraction form
    3,192.75/4,761.35 = 2,838.78/x
  3. Step 3: Cross multiply
    3,192.75x = 4,761.35 × 2,838.78
  4. Step 4: Simplify right side
    3,192.75x = 13,516,421.60
  5. Step 5: Solve for x
    x = 13,516,421.60/3,192.75
  6. Step 6: Final answer
    x = 4,233.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.