Home / 3,376.75-5,040.69-2,917.48

Finding the Fourth Proportional to 3,376.75, 5,040.69 and 2,917.48

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Solution

The fourth proportional to 3,376.75, 5,040.69 and 2,917.48 is: 4,355.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,376.75 : 5,040.69 = 2,917.48 : x
  2. Step 2: Convert to fraction form
    3,376.75/5,040.69 = 2,917.48/x
  3. Step 3: Cross multiply
    3,376.75x = 5,040.69 × 2,917.48
  4. Step 4: Simplify right side
    3,376.75x = 14,706,112.26
  5. Step 5: Solve for x
    x = 14,706,112.26/3,376.75
  6. Step 6: Final answer
    x = 4,355.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.