Home / 1,336.11-2,004.32-446.31

Finding the Fourth Proportional to 1,336.11, 2,004.32 and 446.31

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Solution

The fourth proportional to 1,336.11, 2,004.32 and 446.31 is: 669.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336.11 : 2,004.32 = 446.31 : x
  2. Step 2: Convert to fraction form
    1,336.11/2,004.32 = 446.31/x
  3. Step 3: Cross multiply
    1,336.11x = 2,004.32 × 446.31
  4. Step 4: Simplify right side
    1,336.11x = 894,545.83
  5. Step 5: Solve for x
    x = 894,545.83/1,336.11
  6. Step 6: Final answer
    x = 669.52

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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.