Home / 3,414.18-4,714.29-2,219.79

Finding the Fourth Proportional to 3,414.18, 4,714.29 and 2,219.79

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Solution

The fourth proportional to 3,414.18, 4,714.29 and 2,219.79 is: 3,065.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,414.18 : 4,714.29 = 2,219.79 : x
  2. Step 2: Convert to fraction form
    3,414.18/4,714.29 = 2,219.79/x
  3. Step 3: Cross multiply
    3,414.18x = 4,714.29 × 2,219.79
  4. Step 4: Simplify right side
    3,414.18x = 10,464,733.80
  5. Step 5: Solve for x
    x = 10,464,733.80/3,414.18
  6. Step 6: Final answer
    x = 3,065.08

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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.