Home / 3,326.38-4,988.55-1,378.13

Finding the Fourth Proportional to 3,326.38, 4,988.55 and 1,378.13

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Solution

The fourth proportional to 3,326.38, 4,988.55 and 1,378.13 is: 2,066.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,326.38 : 4,988.55 = 1,378.13 : x
  2. Step 2: Convert to fraction form
    3,326.38/4,988.55 = 1,378.13/x
  3. Step 3: Cross multiply
    3,326.38x = 4,988.55 × 1,378.13
  4. Step 4: Simplify right side
    3,326.38x = 6,874,850.64
  5. Step 5: Solve for x
    x = 6,874,850.64/3,326.38
  6. Step 6: Final answer
    x = 2,066.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.