Home / 2,739.43-3,779.49-1,559.67

Finding the Fourth Proportional to 2,739.43, 3,779.49 and 1,559.67

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Solution

The fourth proportional to 2,739.43, 3,779.49 and 1,559.67 is: 2,151.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,739.43 : 3,779.49 = 1,559.67 : x
  2. Step 2: Convert to fraction form
    2,739.43/3,779.49 = 1,559.67/x
  3. Step 3: Cross multiply
    2,739.43x = 3,779.49 × 1,559.67
  4. Step 4: Simplify right side
    2,739.43x = 5,894,757.17
  5. Step 5: Solve for x
    x = 5,894,757.17/2,739.43
  6. Step 6: Final answer
    x = 2,151.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.