Home / 3,420.29-5,140.04-2,033.87

Finding the Fourth Proportional to 3,420.29, 5,140.04 and 2,033.87

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Solution

The fourth proportional to 3,420.29, 5,140.04 and 2,033.87 is: 3,056.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,420.29 : 5,140.04 = 2,033.87 : x
  2. Step 2: Convert to fraction form
    3,420.29/5,140.04 = 2,033.87/x
  3. Step 3: Cross multiply
    3,420.29x = 5,140.04 × 2,033.87
  4. Step 4: Simplify right side
    3,420.29x = 10,454,137.29
  5. Step 5: Solve for x
    x = 10,454,137.29/3,420.29
  6. Step 6: Final answer
    x = 3,056.51

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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.