Home / 2,976.75-4,462.48-1,129.17

Finding the Fourth Proportional to 2,976.75, 4,462.48 and 1,129.17

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Solution

The fourth proportional to 2,976.75, 4,462.48 and 1,129.17 is: 1,692.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,976.75 : 4,462.48 = 1,129.17 : x
  2. Step 2: Convert to fraction form
    2,976.75/4,462.48 = 1,129.17/x
  3. Step 3: Cross multiply
    2,976.75x = 4,462.48 × 1,129.17
  4. Step 4: Simplify right side
    2,976.75x = 5,038,879.05
  5. Step 5: Solve for x
    x = 5,038,879.05/2,976.75
  6. Step 6: Final answer
    x = 1,692.74

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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.