Home / 3,965.36-5,953.18-2,657.48

Finding the Fourth Proportional to 3,965.36, 5,953.18 and 2,657.48

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Solution

The fourth proportional to 3,965.36, 5,953.18 and 2,657.48 is: 3,989.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,965.36 : 5,953.18 = 2,657.48 : x
  2. Step 2: Convert to fraction form
    3,965.36/5,953.18 = 2,657.48/x
  3. Step 3: Cross multiply
    3,965.36x = 5,953.18 × 2,657.48
  4. Step 4: Simplify right side
    3,965.36x = 15,820,456.79
  5. Step 5: Solve for x
    x = 15,820,456.79/3,965.36
  6. Step 6: Final answer
    x = 3,989.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.