Home / 3,115.96-4,671.18-1,166.80

Finding the Fourth Proportional to 3,115.96, 4,671.18 and 1,166.80

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Solution

The fourth proportional to 3,115.96, 4,671.18 and 1,166.80 is: 1,749.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115.96 : 4,671.18 = 1,166.80 : x
  2. Step 2: Convert to fraction form
    3,115.96/4,671.18 = 1,166.80/x
  3. Step 3: Cross multiply
    3,115.96x = 4,671.18 × 1,166.80
  4. Step 4: Simplify right side
    3,115.96x = 5,450,332.82
  5. Step 5: Solve for x
    x = 5,450,332.82/3,115.96
  6. Step 6: Final answer
    x = 1,749.17

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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.