Home / 3,945.06-5,444.19-2,152.57

Finding the Fourth Proportional to 3,945.06, 5,444.19 and 2,152.57

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Solution

The fourth proportional to 3,945.06, 5,444.19 and 2,152.57 is: 2,970.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,945.06 : 5,444.19 = 2,152.57 : x
  2. Step 2: Convert to fraction form
    3,945.06/5,444.19 = 2,152.57/x
  3. Step 3: Cross multiply
    3,945.06x = 5,444.19 × 2,152.57
  4. Step 4: Simplify right side
    3,945.06x = 11,719,000.07
  5. Step 5: Solve for x
    x = 11,719,000.07/3,945.06
  6. Step 6: Final answer
    x = 2,970.55

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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.