Home / 2,621.30-3,932.96-1,582.07

Finding the Fourth Proportional to 2,621.30, 3,932.96 and 1,582.07

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Solution

The fourth proportional to 2,621.30, 3,932.96 and 1,582.07 is: 2,373.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,621.30 : 3,932.96 = 1,582.07 : x
  2. Step 2: Convert to fraction form
    2,621.30/3,932.96 = 1,582.07/x
  3. Step 3: Cross multiply
    2,621.30x = 3,932.96 × 1,582.07
  4. Step 4: Simplify right side
    2,621.30x = 6,222,190.45
  5. Step 5: Solve for x
    x = 6,222,190.45/2,621.30
  6. Step 6: Final answer
    x = 2,373.71

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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.