Home / 3,377.12-5,065.26-1,429.08

Finding the Fourth Proportional to 3,377.12, 5,065.26 and 1,429.08

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Solution

The fourth proportional to 3,377.12, 5,065.26 and 1,429.08 is: 2,143.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,377.12 : 5,065.26 = 1,429.08 : x
  2. Step 2: Convert to fraction form
    3,377.12/5,065.26 = 1,429.08/x
  3. Step 3: Cross multiply
    3,377.12x = 5,065.26 × 1,429.08
  4. Step 4: Simplify right side
    3,377.12x = 7,238,661.76
  5. Step 5: Solve for x
    x = 7,238,661.76/3,377.12
  6. Step 6: Final answer
    x = 2,143.44

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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.