Home / 3,414.56-4,708.33-2,705.20

Finding the Fourth Proportional to 3,414.56, 4,708.33 and 2,705.20

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Solution

The fourth proportional to 3,414.56, 4,708.33 and 2,705.20 is: 3,730.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,414.56 : 4,708.33 = 2,705.20 : x
  2. Step 2: Convert to fraction form
    3,414.56/4,708.33 = 2,705.20/x
  3. Step 3: Cross multiply
    3,414.56x = 4,708.33 × 2,705.20
  4. Step 4: Simplify right side
    3,414.56x = 12,736,955.78
  5. Step 5: Solve for x
    x = 12,736,955.78/3,414.56
  6. Step 6: Final answer
    x = 3,730.19

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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.