Home / 3,251.27-4,868.10-1,688.00

Finding the Fourth Proportional to 3,251.27, 4,868.10 and 1,688.00

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Solution

The fourth proportional to 3,251.27, 4,868.10 and 1,688.00 is: 2,527.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,251.27 : 4,868.10 = 1,688.00 : x
  2. Step 2: Convert to fraction form
    3,251.27/4,868.10 = 1,688.00/x
  3. Step 3: Cross multiply
    3,251.27x = 4,868.10 × 1,688.00
  4. Step 4: Simplify right side
    3,251.27x = 8,217,328.46
  5. Step 5: Solve for x
    x = 8,217,328.46/3,251.27
  6. Step 6: Final answer
    x = 2,527.43

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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.