Home / 3,108.54-4,656.56-1,543.81

Finding the Fourth Proportional to 3,108.54, 4,656.56 and 1,543.81

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Solution

The fourth proportional to 3,108.54, 4,656.56 and 1,543.81 is: 2,312.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108.54 : 4,656.56 = 1,543.81 : x
  2. Step 2: Convert to fraction form
    3,108.54/4,656.56 = 1,543.81/x
  3. Step 3: Cross multiply
    3,108.54x = 4,656.56 × 1,543.81
  4. Step 4: Simplify right side
    3,108.54x = 7,188,846.29
  5. Step 5: Solve for x
    x = 7,188,846.29/3,108.54
  6. Step 6: Final answer
    x = 2,312.61

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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.