Home / 2,426.90-3,640.62-966.20

Finding the Fourth Proportional to 2,426.90, 3,640.62 and 966.20

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Solution

The fourth proportional to 2,426.90, 3,640.62 and 966.20 is: 1,449.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,426.90 : 3,640.62 = 966.20 : x
  2. Step 2: Convert to fraction form
    2,426.90/3,640.62 = 966.20/x
  3. Step 3: Cross multiply
    2,426.90x = 3,640.62 × 966.20
  4. Step 4: Simplify right side
    2,426.90x = 3,517,567.04
  5. Step 5: Solve for x
    x = 3,517,567.04/2,426.90
  6. Step 6: Final answer
    x = 1,449.41

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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.