Home / 3,105.74-4,656.99-1,156.34

Finding the Fourth Proportional to 3,105.74, 4,656.99 and 1,156.34

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Solution

The fourth proportional to 3,105.74, 4,656.99 and 1,156.34 is: 1,733.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,105.74 : 4,656.99 = 1,156.34 : x
  2. Step 2: Convert to fraction form
    3,105.74/4,656.99 = 1,156.34/x
  3. Step 3: Cross multiply
    3,105.74x = 4,656.99 × 1,156.34
  4. Step 4: Simplify right side
    3,105.74x = 5,385,079.80
  5. Step 5: Solve for x
    x = 5,385,079.80/3,105.74
  6. Step 6: Final answer
    x = 1,733.91

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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.