Home / 2,439.24-3,658.85-708.27

Finding the Fourth Proportional to 2,439.24, 3,658.85 and 708.27

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Solution

The fourth proportional to 2,439.24, 3,658.85 and 708.27 is: 1,062.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,439.24 : 3,658.85 = 708.27 : x
  2. Step 2: Convert to fraction form
    2,439.24/3,658.85 = 708.27/x
  3. Step 3: Cross multiply
    2,439.24x = 3,658.85 × 708.27
  4. Step 4: Simplify right side
    2,439.24x = 2,591,453.69
  5. Step 5: Solve for x
    x = 2,591,453.69/2,439.24
  6. Step 6: Final answer
    x = 1,062.40

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1.5x scale

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.