Home / 2,939.44-4,408.93-1,089.72

Finding the Fourth Proportional to 2,939.44, 4,408.93 and 1,089.72

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Solution

The fourth proportional to 2,939.44, 4,408.93 and 1,089.72 is: 1,634.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,939.44 : 4,408.93 = 1,089.72 : x
  2. Step 2: Convert to fraction form
    2,939.44/4,408.93 = 1,089.72/x
  3. Step 3: Cross multiply
    2,939.44x = 4,408.93 × 1,089.72
  4. Step 4: Simplify right side
    2,939.44x = 4,804,499.20
  5. Step 5: Solve for x
    x = 4,804,499.20/2,939.44
  6. Step 6: Final answer
    x = 1,634.49

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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.