Home / 2,779.10-4,165.58-1,135.26

Finding the Fourth Proportional to 2,779.10, 4,165.58 and 1,135.26

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Solution

The fourth proportional to 2,779.10, 4,165.58 and 1,135.26 is: 1,701.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,779.10 : 4,165.58 = 1,135.26 : x
  2. Step 2: Convert to fraction form
    2,779.10/4,165.58 = 1,135.26/x
  3. Step 3: Cross multiply
    2,779.10x = 4,165.58 × 1,135.26
  4. Step 4: Simplify right side
    2,779.10x = 4,729,016.35
  5. Step 5: Solve for x
    x = 4,729,016.35/2,779.10
  6. Step 6: Final answer
    x = 1,701.64

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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.