Home / 2,906.16-4,356.77-1,261.47

Finding the Fourth Proportional to 2,906.16, 4,356.77 and 1,261.47

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Solution

The fourth proportional to 2,906.16, 4,356.77 and 1,261.47 is: 1,891.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,906.16 : 4,356.77 = 1,261.47 : x
  2. Step 2: Convert to fraction form
    2,906.16/4,356.77 = 1,261.47/x
  3. Step 3: Cross multiply
    2,906.16x = 4,356.77 × 1,261.47
  4. Step 4: Simplify right side
    2,906.16x = 5,495,912.87
  5. Step 5: Solve for x
    x = 5,495,912.87/2,906.16
  6. Step 6: Final answer
    x = 1,891.13

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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.