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Finding the Fourth Proportional to 2,625.92, 3,954.43 and 1,900.58

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Solution

The fourth proportional to 2,625.92, 3,954.43 and 1,900.58 is: 2,862.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,625.92 : 3,954.43 = 1,900.58 : x
  2. Step 2: Convert to fraction form
    2,625.92/3,954.43 = 1,900.58/x
  3. Step 3: Cross multiply
    2,625.92x = 3,954.43 × 1,900.58
  4. Step 4: Simplify right side
    2,625.92x = 7,515,710.57
  5. Step 5: Solve for x
    x = 7,515,710.57/2,625.92
  6. Step 6: Final answer
    x = 2,862.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.