Home / 2,440.13-3,660.80-708.75

Finding the Fourth Proportional to 2,440.13, 3,660.80 and 708.75

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Solution

The fourth proportional to 2,440.13, 3,660.80 and 708.75 is: 1,063.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,440.13 : 3,660.80 = 708.75 : x
  2. Step 2: Convert to fraction form
    2,440.13/3,660.80 = 708.75/x
  3. Step 3: Cross multiply
    2,440.13x = 3,660.80 × 708.75
  4. Step 4: Simplify right side
    2,440.13x = 2,594,588.46
  5. Step 5: Solve for x
    x = 2,594,588.46/2,440.13
  6. Step 6: Final answer
    x = 1,063.30

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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.