Home / 3,827.31-5,284.80-3,119.27

Finding the Fourth Proportional to 3,827.31, 5,284.80 and 3,119.27

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Solution

The fourth proportional to 3,827.31, 5,284.80 and 3,119.27 is: 4,307.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,827.31 : 5,284.80 = 3,119.27 : x
  2. Step 2: Convert to fraction form
    3,827.31/5,284.80 = 3,119.27/x
  3. Step 3: Cross multiply
    3,827.31x = 5,284.80 × 3,119.27
  4. Step 4: Simplify right side
    3,827.31x = 16,484,691.67
  5. Step 5: Solve for x
    x = 16,484,691.67/3,827.31
  6. Step 6: Final answer
    x = 4,307.12

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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.