Home / 2,717.93-4,078.43-1,157.77

Finding the Fourth Proportional to 2,717.93, 4,078.43 and 1,157.77

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Solution

The fourth proportional to 2,717.93, 4,078.43 and 1,157.77 is: 1,737.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,717.93 : 4,078.43 = 1,157.77 : x
  2. Step 2: Convert to fraction form
    2,717.93/4,078.43 = 1,157.77/x
  3. Step 3: Cross multiply
    2,717.93x = 4,078.43 × 1,157.77
  4. Step 4: Simplify right side
    2,717.93x = 4,721,873.70
  5. Step 5: Solve for x
    x = 4,721,873.70/2,717.93
  6. Step 6: Final answer
    x = 1,737.31

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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.