Home / 2,495.49-3,744.10-1,109.80

Finding the Fourth Proportional to 2,495.49, 3,744.10 and 1,109.80

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Solution

The fourth proportional to 2,495.49, 3,744.10 and 1,109.80 is: 1,665.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,495.49 : 3,744.10 = 1,109.80 : x
  2. Step 2: Convert to fraction form
    2,495.49/3,744.10 = 1,109.80/x
  3. Step 3: Cross multiply
    2,495.49x = 3,744.10 × 1,109.80
  4. Step 4: Simplify right side
    2,495.49x = 4,155,190.05
  5. Step 5: Solve for x
    x = 4,155,190.05/2,495.49
  6. Step 6: Final answer
    x = 1,665.08

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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.