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Finding the Fourth Proportional to 3,871.04, 5,799.84 and 2,411.24

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Solution

The fourth proportional to 3,871.04, 5,799.84 and 2,411.24 is: 3,612.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,871.04 : 5,799.84 = 2,411.24 : x
  2. Step 2: Convert to fraction form
    3,871.04/5,799.84 = 2,411.24/x
  3. Step 3: Cross multiply
    3,871.04x = 5,799.84 × 2,411.24
  4. Step 4: Simplify right side
    3,871.04x = 13,984,806.20
  5. Step 5: Solve for x
    x = 13,984,806.20/3,871.04
  6. Step 6: Final answer
    x = 3,612.67

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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.