Home / 4,218.10-5,818.56-2,449.48

Finding the Fourth Proportional to 4,218.10, 5,818.56 and 2,449.48

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Solution

The fourth proportional to 4,218.10, 5,818.56 and 2,449.48 is: 3,378.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,218.10 : 5,818.56 = 2,449.48 : x
  2. Step 2: Convert to fraction form
    4,218.10/5,818.56 = 2,449.48/x
  3. Step 3: Cross multiply
    4,218.10x = 5,818.56 × 2,449.48
  4. Step 4: Simplify right side
    4,218.10x = 14,252,446.35
  5. Step 5: Solve for x
    x = 14,252,446.35/4,218.10
  6. Step 6: Final answer
    x = 3,378.88

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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.