Home / 3,827.66-5,282.10-2,148.94

Finding the Fourth Proportional to 3,827.66, 5,282.10 and 2,148.94

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Solution

The fourth proportional to 3,827.66, 5,282.10 and 2,148.94 is: 2,965.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,827.66 : 5,282.10 = 2,148.94 : x
  2. Step 2: Convert to fraction form
    3,827.66/5,282.10 = 2,148.94/x
  3. Step 3: Cross multiply
    3,827.66x = 5,282.10 × 2,148.94
  4. Step 4: Simplify right side
    3,827.66x = 11,350,878.82
  5. Step 5: Solve for x
    x = 11,350,878.82/3,827.66
  6. Step 6: Final answer
    x = 2,965.49

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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.