Home / 1,862.93-2,569.42-1,265.88

Finding the Fourth Proportional to 1,862.93, 2,569.42 and 1,265.88

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Solution

The fourth proportional to 1,862.93, 2,569.42 and 1,265.88 is: 1,745.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,862.93 : 2,569.42 = 1,265.88 : x
  2. Step 2: Convert to fraction form
    1,862.93/2,569.42 = 1,265.88/x
  3. Step 3: Cross multiply
    1,862.93x = 2,569.42 × 1,265.88
  4. Step 4: Simplify right side
    1,862.93x = 3,252,577.39
  5. Step 5: Solve for x
    x = 3,252,577.39/1,862.93
  6. Step 6: Final answer
    x = 1,745.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.