Home / 3,417.15-5,127.32-1,336.61

Finding the Fourth Proportional to 3,417.15, 5,127.32 and 1,336.61

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Solution

The fourth proportional to 3,417.15, 5,127.32 and 1,336.61 is: 2,005.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,417.15 : 5,127.32 = 1,336.61 : x
  2. Step 2: Convert to fraction form
    3,417.15/5,127.32 = 1,336.61/x
  3. Step 3: Cross multiply
    3,417.15x = 5,127.32 × 1,336.61
  4. Step 4: Simplify right side
    3,417.15x = 6,853,227.19
  5. Step 5: Solve for x
    x = 6,853,227.19/3,417.15
  6. Step 6: Final answer
    x = 2,005.54

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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.