Home / 2,621.97-3,934.32-2,470.70

Finding the Fourth Proportional to 2,621.97, 3,934.32 and 2,470.70

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Solution

The fourth proportional to 2,621.97, 3,934.32 and 2,470.70 is: 3,707.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,621.97 : 3,934.32 = 2,470.70 : x
  2. Step 2: Convert to fraction form
    2,621.97/3,934.32 = 2,470.70/x
  3. Step 3: Cross multiply
    2,621.97x = 3,934.32 × 2,470.70
  4. Step 4: Simplify right side
    2,621.97x = 9,720,538.89
  5. Step 5: Solve for x
    x = 9,720,538.89/2,621.97
  6. Step 6: Final answer
    x = 3,707.34

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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.