Home / 3,876.34-5,812.35-1,411.24

Finding the Fourth Proportional to 3,876.34, 5,812.35 and 1,411.24

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Solution

The fourth proportional to 3,876.34, 5,812.35 and 1,411.24 is: 2,116.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,876.34 : 5,812.35 = 1,411.24 : x
  2. Step 2: Convert to fraction form
    3,876.34/5,812.35 = 1,411.24/x
  3. Step 3: Cross multiply
    3,876.34x = 5,812.35 × 1,411.24
  4. Step 4: Simplify right side
    3,876.34x = 8,202,600.99
  5. Step 5: Solve for x
    x = 8,202,600.99/3,876.34
  6. Step 6: Final answer
    x = 2,116.07

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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.