Home / 2,621.56-3,930.84-1,062.32

Finding the Fourth Proportional to 2,621.56, 3,930.84 and 1,062.32

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Solution

The fourth proportional to 2,621.56, 3,930.84 and 1,062.32 is: 1,592.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,621.56 : 3,930.84 = 1,062.32 : x
  2. Step 2: Convert to fraction form
    2,621.56/3,930.84 = 1,062.32/x
  3. Step 3: Cross multiply
    2,621.56x = 3,930.84 × 1,062.32
  4. Step 4: Simplify right side
    2,621.56x = 4,175,809.95
  5. Step 5: Solve for x
    x = 4,175,809.95/2,621.56
  6. Step 6: Final answer
    x = 1,592.87

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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.