Home / 3,438.19-4,740.08-2,732.38

Finding the Fourth Proportional to 3,438.19, 4,740.08 and 2,732.38

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Solution

The fourth proportional to 3,438.19, 4,740.08 and 2,732.38 is: 3,767.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,438.19 : 4,740.08 = 2,732.38 : x
  2. Step 2: Convert to fraction form
    3,438.19/4,740.08 = 2,732.38/x
  3. Step 3: Cross multiply
    3,438.19x = 4,740.08 × 2,732.38
  4. Step 4: Simplify right side
    3,438.19x = 12,951,662.43
  5. Step 5: Solve for x
    x = 12,951,662.43/3,438.19
  6. Step 6: Final answer
    x = 3,767.01

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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.