Home / 2,717.36-4,077.62-1,157.28

Finding the Fourth Proportional to 2,717.36, 4,077.62 and 1,157.28

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Solution

The fourth proportional to 2,717.36, 4,077.62 and 1,157.28 is: 1,736.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,717.36 : 4,077.62 = 1,157.28 : x
  2. Step 2: Convert to fraction form
    2,717.36/4,077.62 = 1,157.28/x
  3. Step 3: Cross multiply
    2,717.36x = 4,077.62 × 1,157.28
  4. Step 4: Simplify right side
    2,717.36x = 4,718,948.07
  5. Step 5: Solve for x
    x = 4,718,948.07/2,717.36
  6. Step 6: Final answer
    x = 1,736.59

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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.