Home / 1,444.24-2,162.40-749.44

Finding the Fourth Proportional to 1,444.24, 2,162.40 and 749.44

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Solution

The fourth proportional to 1,444.24, 2,162.40 and 749.44 is: 1,122.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,444.24 : 2,162.40 = 749.44 : x
  2. Step 2: Convert to fraction form
    1,444.24/2,162.40 = 749.44/x
  3. Step 3: Cross multiply
    1,444.24x = 2,162.40 × 749.44
  4. Step 4: Simplify right side
    1,444.24x = 1,620,589.06
  5. Step 5: Solve for x
    x = 1,620,589.06/1,444.24
  6. Step 6: Final answer
    x = 1,122.11

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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.