Home / 3,399.16-4,680.19-3,087.77

Finding the Fourth Proportional to 3,399.16, 4,680.19 and 3,087.77

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Solution

The fourth proportional to 3,399.16, 4,680.19 and 3,087.77 is: 4,251.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,399.16 : 4,680.19 = 3,087.77 : x
  2. Step 2: Convert to fraction form
    3,399.16/4,680.19 = 3,087.77/x
  3. Step 3: Cross multiply
    3,399.16x = 4,680.19 × 3,087.77
  4. Step 4: Simplify right side
    3,399.16x = 14,451,350.28
  5. Step 5: Solve for x
    x = 14,451,350.28/3,399.16
  6. Step 6: Final answer
    x = 4,251.45

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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.