Home / 1,747.11-2,617.33-1,688.50

Finding the Fourth Proportional to 1,747.11, 2,617.33 and 1,688.50

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Solution

The fourth proportional to 1,747.11, 2,617.33 and 1,688.50 is: 2,529.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,747.11 : 2,617.33 = 1,688.50 : x
  2. Step 2: Convert to fraction form
    1,747.11/2,617.33 = 1,688.50/x
  3. Step 3: Cross multiply
    1,747.11x = 2,617.33 × 1,688.50
  4. Step 4: Simplify right side
    1,747.11x = 4,419,361.71
  5. Step 5: Solve for x
    x = 4,419,361.71/1,747.11
  6. Step 6: Final answer
    x = 2,529.53

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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.