Home / 3,013.64-4,154.84-2,305.92

Finding the Fourth Proportional to 3,013.64, 4,154.84 and 2,305.92

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Solution

The fourth proportional to 3,013.64, 4,154.84 and 2,305.92 is: 3,179.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,013.64 : 4,154.84 = 2,305.92 : x
  2. Step 2: Convert to fraction form
    3,013.64/4,154.84 = 2,305.92/x
  3. Step 3: Cross multiply
    3,013.64x = 4,154.84 × 2,305.92
  4. Step 4: Simplify right side
    3,013.64x = 9,580,728.65
  5. Step 5: Solve for x
    x = 9,580,728.65/3,013.64
  6. Step 6: Final answer
    x = 3,179.12

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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.