Home / 3,146.48-4,717.65-1,761.86

Finding the Fourth Proportional to 3,146.48, 4,717.65 and 1,761.86

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Solution

The fourth proportional to 3,146.48, 4,717.65 and 1,761.86 is: 2,641.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,146.48 : 4,717.65 = 1,761.86 : x
  2. Step 2: Convert to fraction form
    3,146.48/4,717.65 = 1,761.86/x
  3. Step 3: Cross multiply
    3,146.48x = 4,717.65 × 1,761.86
  4. Step 4: Simplify right side
    3,146.48x = 8,311,838.83
  5. Step 5: Solve for x
    x = 8,311,838.83/3,146.48
  6. Step 6: Final answer
    x = 2,641.63

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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.