Home / 3,289.12-4,531.28-2,292.60

Finding the Fourth Proportional to 3,289.12, 4,531.28 and 2,292.60

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Solution

The fourth proportional to 3,289.12, 4,531.28 and 2,292.60 is: 3,158.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,289.12 : 4,531.28 = 2,292.60 : x
  2. Step 2: Convert to fraction form
    3,289.12/4,531.28 = 2,292.60/x
  3. Step 3: Cross multiply
    3,289.12x = 4,531.28 × 2,292.60
  4. Step 4: Simplify right side
    3,289.12x = 10,388,412.53
  5. Step 5: Solve for x
    x = 10,388,412.53/3,289.12
  6. Step 6: Final answer
    x = 3,158.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.