Home / 2,744.78-4,114.65-1,100.30

Finding the Fourth Proportional to 2,744.78, 4,114.65 and 1,100.30

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Solution

The fourth proportional to 2,744.78, 4,114.65 and 1,100.30 is: 1,649.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,744.78 : 4,114.65 = 1,100.30 : x
  2. Step 2: Convert to fraction form
    2,744.78/4,114.65 = 1,100.30/x
  3. Step 3: Cross multiply
    2,744.78x = 4,114.65 × 1,100.30
  4. Step 4: Simplify right side
    2,744.78x = 4,527,349.40
  5. Step 5: Solve for x
    x = 4,527,349.40/2,744.78
  6. Step 6: Final answer
    x = 1,649.44

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1.5x scale

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.