Home / 3,429.16-4,732.90-2,187.88

Finding the Fourth Proportional to 3,429.16, 4,732.90 and 2,187.88

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Solution

The fourth proportional to 3,429.16, 4,732.90 and 2,187.88 is: 3,019.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,429.16 : 4,732.90 = 2,187.88 : x
  2. Step 2: Convert to fraction form
    3,429.16/4,732.90 = 2,187.88/x
  3. Step 3: Cross multiply
    3,429.16x = 4,732.90 × 2,187.88
  4. Step 4: Simplify right side
    3,429.16x = 10,355,017.25
  5. Step 5: Solve for x
    x = 10,355,017.25/3,429.16
  6. Step 6: Final answer
    x = 3,019.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.