Home / 2,779.41-4,169.10-1,114.28

Finding the Fourth Proportional to 2,779.41, 4,169.10 and 1,114.28

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Solution

The fourth proportional to 2,779.41, 4,169.10 and 1,114.28 is: 1,671.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,779.41 : 4,169.10 = 1,114.28 : x
  2. Step 2: Convert to fraction form
    2,779.41/4,169.10 = 1,114.28/x
  3. Step 3: Cross multiply
    2,779.41x = 4,169.10 × 1,114.28
  4. Step 4: Simplify right side
    2,779.41x = 4,645,523.90
  5. Step 5: Solve for x
    x = 4,645,523.90/2,779.41
  6. Step 6: Final answer
    x = 1,671.41

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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.