Home / 4,155.30-5,729.94-2,660.85

Finding the Fourth Proportional to 4,155.30, 5,729.94 and 2,660.85

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Solution

The fourth proportional to 4,155.30, 5,729.94 and 2,660.85 is: 3,669.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,155.30 : 5,729.94 = 2,660.85 : x
  2. Step 2: Convert to fraction form
    4,155.30/5,729.94 = 2,660.85/x
  3. Step 3: Cross multiply
    4,155.30x = 5,729.94 × 2,660.85
  4. Step 4: Simplify right side
    4,155.30x = 15,246,510.85
  5. Step 5: Solve for x
    x = 15,246,510.85/4,155.30
  6. Step 6: Final answer
    x = 3,669.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.