Home / 3,214.22-4,818.78-2,161.10

Finding the Fourth Proportional to 3,214.22, 4,818.78 and 2,161.10

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Solution

The fourth proportional to 3,214.22, 4,818.78 and 2,161.10 is: 3,239.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,214.22 : 4,818.78 = 2,161.10 : x
  2. Step 2: Convert to fraction form
    3,214.22/4,818.78 = 2,161.10/x
  3. Step 3: Cross multiply
    3,214.22x = 4,818.78 × 2,161.10
  4. Step 4: Simplify right side
    3,214.22x = 10,413,841.36
  5. Step 5: Solve for x
    x = 10,413,841.36/3,214.22
  6. Step 6: Final answer
    x = 3,239.93

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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.