Home / 3,323.38-4,985.21-1,243.17

Finding the Fourth Proportional to 3,323.38, 4,985.21 and 1,243.17

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Solution

The fourth proportional to 3,323.38, 4,985.21 and 1,243.17 is: 1,864.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,323.38 : 4,985.21 = 1,243.17 : x
  2. Step 2: Convert to fraction form
    3,323.38/4,985.21 = 1,243.17/x
  3. Step 3: Cross multiply
    3,323.38x = 4,985.21 × 1,243.17
  4. Step 4: Simplify right side
    3,323.38x = 6,197,463.52
  5. Step 5: Solve for x
    x = 6,197,463.52/3,323.38
  6. Step 6: Final answer
    x = 1,864.81

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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.