Home / 2,767.12-4,150.60-917.48

Finding the Fourth Proportional to 2,767.12, 4,150.60 and 917.48

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Solution

The fourth proportional to 2,767.12, 4,150.60 and 917.48 is: 1,376.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,767.12 : 4,150.60 = 917.48 : x
  2. Step 2: Convert to fraction form
    2,767.12/4,150.60 = 917.48/x
  3. Step 3: Cross multiply
    2,767.12x = 4,150.60 × 917.48
  4. Step 4: Simplify right side
    2,767.12x = 3,808,092.49
  5. Step 5: Solve for x
    x = 3,808,092.49/2,767.12
  6. Step 6: Final answer
    x = 1,376.19

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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.