Home / 3,277.24-4,915.68-1,328.92

Finding the Fourth Proportional to 3,277.24, 4,915.68 and 1,328.92

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Solution

The fourth proportional to 3,277.24, 4,915.68 and 1,328.92 is: 1,993.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,277.24 : 4,915.68 = 1,328.92 : x
  2. Step 2: Convert to fraction form
    3,277.24/4,915.68 = 1,328.92/x
  3. Step 3: Cross multiply
    3,277.24x = 4,915.68 × 1,328.92
  4. Step 4: Simplify right side
    3,277.24x = 6,532,545.47
  5. Step 5: Solve for x
    x = 6,532,545.47/3,277.24
  6. Step 6: Final answer
    x = 1,993.31

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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.