Home / 3,740.32-5,163.80-2,415.96

Finding the Fourth Proportional to 3,740.32, 5,163.80 and 2,415.96

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Solution

The fourth proportional to 3,740.32, 5,163.80 and 2,415.96 is: 3,335.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,740.32 : 5,163.80 = 2,415.96 : x
  2. Step 2: Convert to fraction form
    3,740.32/5,163.80 = 2,415.96/x
  3. Step 3: Cross multiply
    3,740.32x = 5,163.80 × 2,415.96
  4. Step 4: Simplify right side
    3,740.32x = 12,475,534.25
  5. Step 5: Solve for x
    x = 12,475,534.25/3,740.32
  6. Step 6: Final answer
    x = 3,335.42

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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.