Home / 3,993.24-5,510.69-2,200.65

Finding the Fourth Proportional to 3,993.24, 5,510.69 and 2,200.65

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Solution

The fourth proportional to 3,993.24, 5,510.69 and 2,200.65 is: 3,036.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,993.24 : 5,510.69 = 2,200.65 : x
  2. Step 2: Convert to fraction form
    3,993.24/5,510.69 = 2,200.65/x
  3. Step 3: Cross multiply
    3,993.24x = 5,510.69 × 2,200.65
  4. Step 4: Simplify right side
    3,993.24x = 12,127,088.95
  5. Step 5: Solve for x
    x = 12,127,088.95/3,993.24
  6. Step 6: Final answer
    x = 3,036.90

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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.