Home / 2,454.22-3,681.30-722.85

Finding the Fourth Proportional to 2,454.22, 3,681.30 and 722.85

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Solution

The fourth proportional to 2,454.22, 3,681.30 and 722.85 is: 1,084.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,454.22 : 3,681.30 = 722.85 : x
  2. Step 2: Convert to fraction form
    2,454.22/3,681.30 = 722.85/x
  3. Step 3: Cross multiply
    2,454.22x = 3,681.30 × 722.85
  4. Step 4: Simplify right side
    2,454.22x = 2,661,027.71
  5. Step 5: Solve for x
    x = 2,661,027.71/2,454.22
  6. Step 6: Final answer
    x = 1,084.27

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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.