Home / 2,736.36-3,776.20-1,557.44

Finding the Fourth Proportional to 2,736.36, 3,776.20 and 1,557.44

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Solution

The fourth proportional to 2,736.36, 3,776.20 and 1,557.44 is: 2,149.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,736.36 : 3,776.20 = 1,557.44 : x
  2. Step 2: Convert to fraction form
    2,736.36/3,776.20 = 1,557.44/x
  3. Step 3: Cross multiply
    2,736.36x = 3,776.20 × 1,557.44
  4. Step 4: Simplify right side
    2,736.36x = 5,881,204.93
  5. Step 5: Solve for x
    x = 5,881,204.93/2,736.36
  6. Step 6: Final answer
    x = 2,149.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.