Home / 3,110.46-4,292.20-1,851.46

Finding the Fourth Proportional to 3,110.46, 4,292.20 and 1,851.46

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Solution

The fourth proportional to 3,110.46, 4,292.20 and 1,851.46 is: 2,554.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110.46 : 4,292.20 = 1,851.46 : x
  2. Step 2: Convert to fraction form
    3,110.46/4,292.20 = 1,851.46/x
  3. Step 3: Cross multiply
    3,110.46x = 4,292.20 × 1,851.46
  4. Step 4: Simplify right side
    3,110.46x = 7,946,836.61
  5. Step 5: Solve for x
    x = 7,946,836.61/3,110.46
  6. Step 6: Final answer
    x = 2,554.88

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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.