Home / 3,281.13-4,922.60-1,432.40

Finding the Fourth Proportional to 3,281.13, 4,922.60 and 1,432.40

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Solution

The fourth proportional to 3,281.13, 4,922.60 and 1,432.40 is: 2,148.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,281.13 : 4,922.60 = 1,432.40 : x
  2. Step 2: Convert to fraction form
    3,281.13/4,922.60 = 1,432.40/x
  3. Step 3: Cross multiply
    3,281.13x = 4,922.60 × 1,432.40
  4. Step 4: Simplify right side
    3,281.13x = 7,051,100.47
  5. Step 5: Solve for x
    x = 7,051,100.47/3,281.13
  6. Step 6: Final answer
    x = 2,148.99

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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.