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Finding the Fourth Proportional to 3,859.44, 5,325.84 and 2,444.64

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Solution

The fourth proportional to 3,859.44, 5,325.84 and 2,444.64 is: 3,373.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,859.44 : 5,325.84 = 2,444.64 : x
  2. Step 2: Convert to fraction form
    3,859.44/5,325.84 = 2,444.64/x
  3. Step 3: Cross multiply
    3,859.44x = 5,325.84 × 2,444.64
  4. Step 4: Simplify right side
    3,859.44x = 13,019,761.50
  5. Step 5: Solve for x
    x = 13,019,761.50/3,859.44
  6. Step 6: Final answer
    x = 3,373.48

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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.