Home / 3,429.62-5,140.54-1,576.90

Finding the Fourth Proportional to 3,429.62, 5,140.54 and 1,576.90

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Solution

The fourth proportional to 3,429.62, 5,140.54 and 1,576.90 is: 2,363.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,429.62 : 5,140.54 = 1,576.90 : x
  2. Step 2: Convert to fraction form
    3,429.62/5,140.54 = 1,576.90/x
  3. Step 3: Cross multiply
    3,429.62x = 5,140.54 × 1,576.90
  4. Step 4: Simplify right side
    3,429.62x = 8,106,117.53
  5. Step 5: Solve for x
    x = 8,106,117.53/3,429.62
  6. Step 6: Final answer
    x = 2,363.56

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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.