Home / 3,438.69-4,740.76-2,732.88

Finding the Fourth Proportional to 3,438.69, 4,740.76 and 2,732.88

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Solution

The fourth proportional to 3,438.69, 4,740.76 and 2,732.88 is: 3,767.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,438.69 : 4,740.76 = 2,732.88 : x
  2. Step 2: Convert to fraction form
    3,438.69/4,740.76 = 2,732.88/x
  3. Step 3: Cross multiply
    3,438.69x = 4,740.76 × 2,732.88
  4. Step 4: Simplify right side
    3,438.69x = 12,955,928.19
  5. Step 5: Solve for x
    x = 12,955,928.19/3,438.69
  6. Step 6: Final answer
    x = 3,767.69

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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.