Home / 2,008.97-3,012.37-621.71

Finding the Fourth Proportional to 2,008.97, 3,012.37 and 621.71

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Solution

The fourth proportional to 2,008.97, 3,012.37 and 621.71 is: 932.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,008.97 : 3,012.37 = 621.71 : x
  2. Step 2: Convert to fraction form
    2,008.97/3,012.37 = 621.71/x
  3. Step 3: Cross multiply
    2,008.97x = 3,012.37 × 621.71
  4. Step 4: Simplify right side
    2,008.97x = 1,872,802.38
  5. Step 5: Solve for x
    x = 1,872,802.38/2,008.97
  6. Step 6: Final answer
    x = 932.22

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1.5x scale

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.