Home / 2,621.94-3,934.08-1,324.32

Finding the Fourth Proportional to 2,621.94, 3,934.08 and 1,324.32

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Solution

The fourth proportional to 2,621.94, 3,934.08 and 1,324.32 is: 1,987.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,621.94 : 3,934.08 = 1,324.32 : x
  2. Step 2: Convert to fraction form
    2,621.94/3,934.08 = 1,324.32/x
  3. Step 3: Cross multiply
    2,621.94x = 3,934.08 × 1,324.32
  4. Step 4: Simplify right side
    2,621.94x = 5,209,980.83
  5. Step 5: Solve for x
    x = 5,209,980.83/2,621.94
  6. Step 6: Final answer
    x = 1,987.07

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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.