Home / 3,122.46-4,309.02-2,458.08

Finding the Fourth Proportional to 3,122.46, 4,309.02 and 2,458.08

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Solution

The fourth proportional to 3,122.46, 4,309.02 and 2,458.08 is: 3,392.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,122.46 : 4,309.02 = 2,458.08 : x
  2. Step 2: Convert to fraction form
    3,122.46/4,309.02 = 2,458.08/x
  3. Step 3: Cross multiply
    3,122.46x = 4,309.02 × 2,458.08
  4. Step 4: Simplify right side
    3,122.46x = 10,591,915.88
  5. Step 5: Solve for x
    x = 10,591,915.88/3,122.46
  6. Step 6: Final answer
    x = 3,392.17

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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.