Home / 2,736.54-3,776.04-1,557.36

Finding the Fourth Proportional to 2,736.54, 3,776.04 and 1,557.36

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Solution

The fourth proportional to 2,736.54, 3,776.04 and 1,557.36 is: 2,148.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,736.54 : 3,776.04 = 1,557.36 : x
  2. Step 2: Convert to fraction form
    2,736.54/3,776.04 = 1,557.36/x
  3. Step 3: Cross multiply
    2,736.54x = 3,776.04 × 1,557.36
  4. Step 4: Simplify right side
    2,736.54x = 5,880,653.65
  5. Step 5: Solve for x
    x = 5,880,653.65/2,736.54
  6. Step 6: Final answer
    x = 2,148.94

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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.