Home / 3,693.40-5,529.13-2,228.11

Finding the Fourth Proportional to 3,693.40, 5,529.13 and 2,228.11

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Solution

The fourth proportional to 3,693.40, 5,529.13 and 2,228.11 is: 3,335.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,693.40 : 5,529.13 = 2,228.11 : x
  2. Step 2: Convert to fraction form
    3,693.40/5,529.13 = 2,228.11/x
  3. Step 3: Cross multiply
    3,693.40x = 5,529.13 × 2,228.11
  4. Step 4: Simplify right side
    3,693.40x = 12,319,490.45
  5. Step 5: Solve for x
    x = 12,319,490.45/3,693.40
  6. Step 6: Final answer
    x = 3,335.54

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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.