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Finding the Fourth Proportional to 2,454.08, 3,681.12 and 722.84

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Solution

The fourth proportional to 2,454.08, 3,681.12 and 722.84 is: 1,084.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,454.08 : 3,681.12 = 722.84 : x
  2. Step 2: Convert to fraction form
    2,454.08/3,681.12 = 722.84/x
  3. Step 3: Cross multiply
    2,454.08x = 3,681.12 × 722.84
  4. Step 4: Simplify right side
    2,454.08x = 2,660,860.78
  5. Step 5: Solve for x
    x = 2,660,860.78/2,454.08
  6. Step 6: Final answer
    x = 1,084.26

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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.