Home / 3,395.78-5,095.17-2,162.87

Finding the Fourth Proportional to 3,395.78, 5,095.17 and 2,162.87

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Solution

The fourth proportional to 3,395.78, 5,095.17 and 2,162.87 is: 3,245.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,395.78 : 5,095.17 = 2,162.87 : x
  2. Step 2: Convert to fraction form
    3,395.78/5,095.17 = 2,162.87/x
  3. Step 3: Cross multiply
    3,395.78x = 5,095.17 × 2,162.87
  4. Step 4: Simplify right side
    3,395.78x = 11,020,190.34
  5. Step 5: Solve for x
    x = 11,020,190.34/3,395.78
  6. Step 6: Final answer
    x = 3,245.26

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1.5x scale

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.