Home / 3,993.64-5,510.26-2,292.32

Finding the Fourth Proportional to 3,993.64, 5,510.26 and 2,292.32

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Solution

The fourth proportional to 3,993.64, 5,510.26 and 2,292.32 is: 3,162.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,993.64 : 5,510.26 = 2,292.32 : x
  2. Step 2: Convert to fraction form
    3,993.64/5,510.26 = 2,292.32/x
  3. Step 3: Cross multiply
    3,993.64x = 5,510.26 × 2,292.32
  4. Step 4: Simplify right side
    3,993.64x = 12,631,279.20
  5. Step 5: Solve for x
    x = 12,631,279.20/3,993.64
  6. Step 6: Final answer
    x = 3,162.85

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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.