Home / 3,269.35-4,904.02-1,321.55

Finding the Fourth Proportional to 3,269.35, 4,904.02 and 1,321.55

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Solution

The fourth proportional to 3,269.35, 4,904.02 and 1,321.55 is: 1,982.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,269.35 : 4,904.02 = 1,321.55 : x
  2. Step 2: Convert to fraction form
    3,269.35/4,904.02 = 1,321.55/x
  3. Step 3: Cross multiply
    3,269.35x = 4,904.02 × 1,321.55
  4. Step 4: Simplify right side
    3,269.35x = 6,480,888.76
  5. Step 5: Solve for x
    x = 6,480,888.76/3,269.35
  6. Step 6: Final answer
    x = 1,982.32

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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.