Home / 2,599.16-3,891.78-1,779.03

Finding the Fourth Proportional to 2,599.16, 3,891.78 and 1,779.03

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Solution

The fourth proportional to 2,599.16, 3,891.78 and 1,779.03 is: 2,663.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,599.16 : 3,891.78 = 1,779.03 : x
  2. Step 2: Convert to fraction form
    2,599.16/3,891.78 = 1,779.03/x
  3. Step 3: Cross multiply
    2,599.16x = 3,891.78 × 1,779.03
  4. Step 4: Simplify right side
    2,599.16x = 6,923,593.37
  5. Step 5: Solve for x
    x = 6,923,593.37/2,599.16
  6. Step 6: Final answer
    x = 2,663.79

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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.