Home / 3,876.29-5,813.06-1,243.25

Finding the Fourth Proportional to 3,876.29, 5,813.06 and 1,243.25

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Solution

The fourth proportional to 3,876.29, 5,813.06 and 1,243.25 is: 1,864.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,876.29 : 5,813.06 = 1,243.25 : x
  2. Step 2: Convert to fraction form
    3,876.29/5,813.06 = 1,243.25/x
  3. Step 3: Cross multiply
    3,876.29x = 5,813.06 × 1,243.25
  4. Step 4: Simplify right side
    3,876.29x = 7,227,095.16
  5. Step 5: Solve for x
    x = 7,227,095.16/3,876.29
  6. Step 6: Final answer
    x = 1,864.43

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1.5x scale

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.