Home / 2,480.50-3,422.20-1,851.51

Finding the Fourth Proportional to 2,480.50, 3,422.20 and 1,851.51

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Solution

The fourth proportional to 2,480.50, 3,422.20 and 1,851.51 is: 2,554.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,480.50 : 3,422.20 = 1,851.51 : x
  2. Step 2: Convert to fraction form
    2,480.50/3,422.20 = 1,851.51/x
  3. Step 3: Cross multiply
    2,480.50x = 3,422.20 × 1,851.51
  4. Step 4: Simplify right side
    2,480.50x = 6,336,229.95
  5. Step 5: Solve for x
    x = 6,336,229.95/2,480.50
  6. Step 6: Final answer
    x = 2,554.42

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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.