Home / 2,939.16-4,406.04-1,089.84

Finding the Fourth Proportional to 2,939.16, 4,406.04 and 1,089.84

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Solution

The fourth proportional to 2,939.16, 4,406.04 and 1,089.84 is: 1,633.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,939.16 : 4,406.04 = 1,089.84 : x
  2. Step 2: Convert to fraction form
    2,939.16/4,406.04 = 1,089.84/x
  3. Step 3: Cross multiply
    2,939.16x = 4,406.04 × 1,089.84
  4. Step 4: Simplify right side
    2,939.16x = 4,801,878.63
  5. Step 5: Solve for x
    x = 4,801,878.63/2,939.16
  6. Step 6: Final answer
    x = 1,633.76

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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.