Home / 3,974.16-5,962.22-2,806.45

Finding the Fourth Proportional to 3,974.16, 5,962.22 and 2,806.45

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Solution

The fourth proportional to 3,974.16, 5,962.22 and 2,806.45 is: 4,210.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,974.16 : 5,962.22 = 2,806.45 : x
  2. Step 2: Convert to fraction form
    3,974.16/5,962.22 = 2,806.45/x
  3. Step 3: Cross multiply
    3,974.16x = 5,962.22 × 2,806.45
  4. Step 4: Simplify right side
    3,974.16x = 16,732,672.32
  5. Step 5: Solve for x
    x = 16,732,672.32/3,974.16
  6. Step 6: Final answer
    x = 4,210.37

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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.