Home / 2,422.04-3,633.26-862.89

Finding the Fourth Proportional to 2,422.04, 3,633.26 and 862.89

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Solution

The fourth proportional to 2,422.04, 3,633.26 and 862.89 is: 1,294.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,422.04 : 3,633.26 = 862.89 : x
  2. Step 2: Convert to fraction form
    2,422.04/3,633.26 = 862.89/x
  3. Step 3: Cross multiply
    2,422.04x = 3,633.26 × 862.89
  4. Step 4: Simplify right side
    2,422.04x = 3,135,085.78
  5. Step 5: Solve for x
    x = 3,135,085.78/2,422.04
  6. Step 6: Final answer
    x = 1,294.40

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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.