Home / 3,202.42-4,419.30-1,805.17

Finding the Fourth Proportional to 3,202.42, 4,419.30 and 1,805.17

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Solution

The fourth proportional to 3,202.42, 4,419.30 and 1,805.17 is: 2,491.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,202.42 : 4,419.30 = 1,805.17 : x
  2. Step 2: Convert to fraction form
    3,202.42/4,419.30 = 1,805.17/x
  3. Step 3: Cross multiply
    3,202.42x = 4,419.30 × 1,805.17
  4. Step 4: Simplify right side
    3,202.42x = 7,977,587.78
  5. Step 5: Solve for x
    x = 7,977,587.78/3,202.42
  6. Step 6: Final answer
    x = 2,491.11

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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.