Home / 3,426.39-5,140.95-2,040.38

Finding the Fourth Proportional to 3,426.39, 5,140.95 and 2,040.38

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Solution

The fourth proportional to 3,426.39, 5,140.95 and 2,040.38 is: 3,061.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,426.39 : 5,140.95 = 2,040.38 : x
  2. Step 2: Convert to fraction form
    3,426.39/5,140.95 = 2,040.38/x
  3. Step 3: Cross multiply
    3,426.39x = 5,140.95 × 2,040.38
  4. Step 4: Simplify right side
    3,426.39x = 10,489,491.56
  5. Step 5: Solve for x
    x = 10,489,491.56/3,426.39
  6. Step 6: Final answer
    x = 3,061.38

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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.