Home / 3,944.16-5,445.36-2,619

Finding the Fourth Proportional to 3,944.16, 5,445.36 and 2,619

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Solution

The fourth proportional to 3,944.16, 5,445.36 and 2,619 is: 3,615.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,944.16 : 5,445.36 = 2,619 : x
  2. Step 2: Convert to fraction form
    3,944.16/5,445.36 = 2,619/x
  3. Step 3: Cross multiply
    3,944.16x = 5,445.36 × 2,619
  4. Step 4: Simplify right side
    3,944.16x = 14,261,397.84
  5. Step 5: Solve for x
    x = 14,261,397.84/3,944.16
  6. Step 6: Final answer
    x = 3,615.83

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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.