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Finding the Fourth Proportional to 2,195.55, 3,293.28 and 552.11

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Solution

The fourth proportional to 2,195.55, 3,293.28 and 552.11 is: 828.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195.55 : 3,293.28 = 552.11 : x
  2. Step 2: Convert to fraction form
    2,195.55/3,293.28 = 552.11/x
  3. Step 3: Cross multiply
    2,195.55x = 3,293.28 × 552.11
  4. Step 4: Simplify right side
    2,195.55x = 1,818,236.35
  5. Step 5: Solve for x
    x = 1,818,236.35/2,195.55
  6. Step 6: Final answer
    x = 828.15

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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.