Home / 3,321.13-4,580.20-2,621.29

Finding the Fourth Proportional to 3,321.13, 4,580.20 and 2,621.29

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Solution

The fourth proportional to 3,321.13, 4,580.20 and 2,621.29 is: 3,615.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,321.13 : 4,580.20 = 2,621.29 : x
  2. Step 2: Convert to fraction form
    3,321.13/4,580.20 = 2,621.29/x
  3. Step 3: Cross multiply
    3,321.13x = 4,580.20 × 2,621.29
  4. Step 4: Simplify right side
    3,321.13x = 12,006,032.46
  5. Step 5: Solve for x
    x = 12,006,032.46/3,321.13
  6. Step 6: Final answer
    x = 3,615.04

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1.5x scale

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.