Home / 3,426.26-5,139.38-1,962.28

Finding the Fourth Proportional to 3,426.26, 5,139.38 and 1,962.28

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Solution

The fourth proportional to 3,426.26, 5,139.38 and 1,962.28 is: 2,943.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,426.26 : 5,139.38 = 1,962.28 : x
  2. Step 2: Convert to fraction form
    3,426.26/5,139.38 = 1,962.28/x
  3. Step 3: Cross multiply
    3,426.26x = 5,139.38 × 1,962.28
  4. Step 4: Simplify right side
    3,426.26x = 10,084,913.92
  5. Step 5: Solve for x
    x = 10,084,913.92/3,426.26
  6. Step 6: Final answer
    x = 2,943.42

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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.