Home / 2,291.92-3,429.66-1,984.82

Finding the Fourth Proportional to 2,291.92, 3,429.66 and 1,984.82

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Solution

The fourth proportional to 2,291.92, 3,429.66 and 1,984.82 is: 2,970.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,291.92 : 3,429.66 = 1,984.82 : x
  2. Step 2: Convert to fraction form
    2,291.92/3,429.66 = 1,984.82/x
  3. Step 3: Cross multiply
    2,291.92x = 3,429.66 × 1,984.82
  4. Step 4: Simplify right side
    2,291.92x = 6,807,257.76
  5. Step 5: Solve for x
    x = 6,807,257.76/2,291.92
  6. Step 6: Final answer
    x = 2,970.11

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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.