Home / 2,779.20-4,167.23-1,133.82

Finding the Fourth Proportional to 2,779.20, 4,167.23 and 1,133.82

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Solution

The fourth proportional to 2,779.20, 4,167.23 and 1,133.82 is: 1,700.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,779.20 : 4,167.23 = 1,133.82 : x
  2. Step 2: Convert to fraction form
    2,779.20/4,167.23 = 1,133.82/x
  3. Step 3: Cross multiply
    2,779.20x = 4,167.23 × 1,133.82
  4. Step 4: Simplify right side
    2,779.20x = 4,724,883.05
  5. Step 5: Solve for x
    x = 4,724,883.05/2,779.20
  6. Step 6: Final answer
    x = 1,700.09

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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.