Home / 3,992.92-5,510.16-2,224.72

Finding the Fourth Proportional to 3,992.92, 5,510.16 and 2,224.72

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Solution

The fourth proportional to 3,992.92, 5,510.16 and 2,224.72 is: 3,070.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,992.92 : 5,510.16 = 2,224.72 : x
  2. Step 2: Convert to fraction form
    3,992.92/5,510.16 = 2,224.72/x
  3. Step 3: Cross multiply
    3,992.92x = 5,510.16 × 2,224.72
  4. Step 4: Simplify right side
    3,992.92x = 12,258,563.16
  5. Step 5: Solve for x
    x = 12,258,563.16/3,992.92
  6. Step 6: Final answer
    x = 3,070.07

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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.