Home / 2,617.16-3,927.78-1,157.33

Finding the Fourth Proportional to 2,617.16, 3,927.78 and 1,157.33

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Solution

The fourth proportional to 2,617.16, 3,927.78 and 1,157.33 is: 1,736.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,617.16 : 3,927.78 = 1,157.33 : x
  2. Step 2: Convert to fraction form
    2,617.16/3,927.78 = 1,157.33/x
  3. Step 3: Cross multiply
    2,617.16x = 3,927.78 × 1,157.33
  4. Step 4: Simplify right side
    2,617.16x = 4,545,737.63
  5. Step 5: Solve for x
    x = 4,545,737.63/2,617.16
  6. Step 6: Final answer
    x = 1,736.90

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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.