Home / 3,397.15-4,680.88-3,163.40

Finding the Fourth Proportional to 3,397.15, 4,680.88 and 3,163.40

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Solution

The fourth proportional to 3,397.15, 4,680.88 and 3,163.40 is: 4,358.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,397.15 : 4,680.88 = 3,163.40 : x
  2. Step 2: Convert to fraction form
    3,397.15/4,680.88 = 3,163.40/x
  3. Step 3: Cross multiply
    3,397.15x = 4,680.88 × 3,163.40
  4. Step 4: Simplify right side
    3,397.15x = 14,807,464.48
  5. Step 5: Solve for x
    x = 14,807,464.48/3,397.15
  6. Step 6: Final answer
    x = 4,358.79

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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.