Home / 2,549.56-3,518.54-1,918.96

Finding the Fourth Proportional to 2,549.56, 3,518.54 and 1,918.96

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Solution

The fourth proportional to 2,549.56, 3,518.54 and 1,918.96 is: 2,648.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,549.56 : 3,518.54 = 1,918.96 : x
  2. Step 2: Convert to fraction form
    2,549.56/3,518.54 = 1,918.96/x
  3. Step 3: Cross multiply
    2,549.56x = 3,518.54 × 1,918.96
  4. Step 4: Simplify right side
    2,549.56x = 6,751,937.52
  5. Step 5: Solve for x
    x = 6,751,937.52/2,549.56
  6. Step 6: Final answer
    x = 2,648.28

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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.