Home / 3,429.04-5,142.49-1,237.48

Finding the Fourth Proportional to 3,429.04, 5,142.49 and 1,237.48

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Solution

The fourth proportional to 3,429.04, 5,142.49 and 1,237.48 is: 1,855.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,429.04 : 5,142.49 = 1,237.48 : x
  2. Step 2: Convert to fraction form
    3,429.04/5,142.49 = 1,237.48/x
  3. Step 3: Cross multiply
    3,429.04x = 5,142.49 × 1,237.48
  4. Step 4: Simplify right side
    3,429.04x = 6,363,728.53
  5. Step 5: Solve for x
    x = 6,363,728.53/3,429.04
  6. Step 6: Final answer
    x = 1,855.83

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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.