Home / 3,913.44-5,401.05-2,235.17

Finding the Fourth Proportional to 3,913.44, 5,401.05 and 2,235.17

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Solution

The fourth proportional to 3,913.44, 5,401.05 and 2,235.17 is: 3,084.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,913.44 : 5,401.05 = 2,235.17 : x
  2. Step 2: Convert to fraction form
    3,913.44/5,401.05 = 2,235.17/x
  3. Step 3: Cross multiply
    3,913.44x = 5,401.05 × 2,235.17
  4. Step 4: Simplify right side
    3,913.44x = 12,072,273.72
  5. Step 5: Solve for x
    x = 12,072,273.72/3,913.44
  6. Step 6: Final answer
    x = 3,084.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.