Home / 3,827.46-5,287.10-2,998.65

Finding the Fourth Proportional to 3,827.46, 5,287.10 and 2,998.65

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Solution

The fourth proportional to 3,827.46, 5,287.10 and 2,998.65 is: 4,142.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,827.46 : 5,287.10 = 2,998.65 : x
  2. Step 2: Convert to fraction form
    3,827.46/5,287.10 = 2,998.65/x
  3. Step 3: Cross multiply
    3,827.46x = 5,287.10 × 2,998.65
  4. Step 4: Simplify right side
    3,827.46x = 15,854,162.42
  5. Step 5: Solve for x
    x = 15,854,162.42/3,827.46
  6. Step 6: Final answer
    x = 4,142.22

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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.