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Finding the Fourth Proportional to 1,716.72, 2,575.12 and 1,346.18

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Solution

The fourth proportional to 1,716.72, 2,575.12 and 1,346.18 is: 2,019.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,716.72 : 2,575.12 = 1,346.18 : x
  2. Step 2: Convert to fraction form
    1,716.72/2,575.12 = 1,346.18/x
  3. Step 3: Cross multiply
    1,716.72x = 2,575.12 × 1,346.18
  4. Step 4: Simplify right side
    1,716.72x = 3,466,563.85
  5. Step 5: Solve for x
    x = 3,466,563.85/1,716.72
  6. Step 6: Final answer
    x = 2,019.30

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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.