Home / 3,342.30-4,616.16-2,278.24

Finding the Fourth Proportional to 3,342.30, 4,616.16 and 2,278.24

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Solution

The fourth proportional to 3,342.30, 4,616.16 and 2,278.24 is: 3,146.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,342.30 : 4,616.16 = 2,278.24 : x
  2. Step 2: Convert to fraction form
    3,342.30/4,616.16 = 2,278.24/x
  3. Step 3: Cross multiply
    3,342.30x = 4,616.16 × 2,278.24
  4. Step 4: Simplify right side
    3,342.30x = 10,516,720.36
  5. Step 5: Solve for x
    x = 10,516,720.36/3,342.30
  6. Step 6: Final answer
    x = 3,146.55

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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.