Home / 3,122.77-4,304.46-2,458.57

Finding the Fourth Proportional to 3,122.77, 4,304.46 and 2,458.57

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Solution

The fourth proportional to 3,122.77, 4,304.46 and 2,458.57 is: 3,388.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,122.77 : 4,304.46 = 2,458.57 : x
  2. Step 2: Convert to fraction form
    3,122.77/4,304.46 = 2,458.57/x
  3. Step 3: Cross multiply
    3,122.77x = 4,304.46 × 2,458.57
  4. Step 4: Simplify right side
    3,122.77x = 10,582,816.22
  5. Step 5: Solve for x
    x = 10,582,816.22/3,122.77
  6. Step 6: Final answer
    x = 3,388.92

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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.