Home / 3,110.45-4,663.85-1,162.80

Finding the Fourth Proportional to 3,110.45, 4,663.85 and 1,162.80

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Solution

The fourth proportional to 3,110.45, 4,663.85 and 1,162.80 is: 1,743.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110.45 : 4,663.85 = 1,162.80 : x
  2. Step 2: Convert to fraction form
    3,110.45/4,663.85 = 1,162.80/x
  3. Step 3: Cross multiply
    3,110.45x = 4,663.85 × 1,162.80
  4. Step 4: Simplify right side
    3,110.45x = 5,423,118.97
  5. Step 5: Solve for x
    x = 5,423,118.97/3,110.45
  6. Step 6: Final answer
    x = 1,743.52

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1.5x scale

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.