Home / 3,328.76-4,993.14-1,277.24

Finding the Fourth Proportional to 3,328.76, 4,993.14 and 1,277.24

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Solution

The fourth proportional to 3,328.76, 4,993.14 and 1,277.24 is: 1,915.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,328.76 : 4,993.14 = 1,277.24 : x
  2. Step 2: Convert to fraction form
    3,328.76/4,993.14 = 1,277.24/x
  3. Step 3: Cross multiply
    3,328.76x = 4,993.14 × 1,277.24
  4. Step 4: Simplify right side
    3,328.76x = 6,377,438.13
  5. Step 5: Solve for x
    x = 6,377,438.13/3,328.76
  6. Step 6: Final answer
    x = 1,915.86

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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.