Home / 2,585.97-3,878.82-942.35

Finding the Fourth Proportional to 2,585.97, 3,878.82 and 942.35

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Solution

The fourth proportional to 2,585.97, 3,878.82 and 942.35 is: 1,413.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,585.97 : 3,878.82 = 942.35 : x
  2. Step 2: Convert to fraction form
    2,585.97/3,878.82 = 942.35/x
  3. Step 3: Cross multiply
    2,585.97x = 3,878.82 × 942.35
  4. Step 4: Simplify right side
    2,585.97x = 3,655,186.63
  5. Step 5: Solve for x
    x = 3,655,186.63/2,585.97
  6. Step 6: Final answer
    x = 1,413.47

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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.