Home / 2,744.70-4,118.40-1,101.30

Finding the Fourth Proportional to 2,744.70, 4,118.40 and 1,101.30

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Solution

The fourth proportional to 2,744.70, 4,118.40 and 1,101.30 is: 1,652.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,744.70 : 4,118.40 = 1,101.30 : x
  2. Step 2: Convert to fraction form
    2,744.70/4,118.40 = 1,101.30/x
  3. Step 3: Cross multiply
    2,744.70x = 4,118.40 × 1,101.30
  4. Step 4: Simplify right side
    2,744.70x = 4,535,593.92
  5. Step 5: Solve for x
    x = 4,535,593.92/2,744.70
  6. Step 6: Final answer
    x = 1,652.49

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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.