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Finding the Fourth Proportional to 2,569.97, 3,854.96 and 622.18

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Solution

The fourth proportional to 2,569.97, 3,854.96 and 622.18 is: 933.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,569.97 : 3,854.96 = 622.18 : x
  2. Step 2: Convert to fraction form
    2,569.97/3,854.96 = 622.18/x
  3. Step 3: Cross multiply
    2,569.97x = 3,854.96 × 622.18
  4. Step 4: Simplify right side
    2,569.97x = 2,398,461.37
  5. Step 5: Solve for x
    x = 2,398,461.37/2,569.97
  6. Step 6: Final answer
    x = 933.26

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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.