Home / 3,946.13-5,918.02-3,251.08

Finding the Fourth Proportional to 3,946.13, 5,918.02 and 3,251.08

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Solution

The fourth proportional to 3,946.13, 5,918.02 and 3,251.08 is: 4,875.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,946.13 : 5,918.02 = 3,251.08 : x
  2. Step 2: Convert to fraction form
    3,946.13/5,918.02 = 3,251.08/x
  3. Step 3: Cross multiply
    3,946.13x = 5,918.02 × 3,251.08
  4. Step 4: Simplify right side
    3,946.13x = 19,239,945.73
  5. Step 5: Solve for x
    x = 19,239,945.73/3,946.13
  6. Step 6: Final answer
    x = 4,875.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.