Home / 2,791.30-4,186.93-1,059.93

Finding the Fourth Proportional to 2,791.30, 4,186.93 and 1,059.93

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Solution

The fourth proportional to 2,791.30, 4,186.93 and 1,059.93 is: 1,589.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,791.30 : 4,186.93 = 1,059.93 : x
  2. Step 2: Convert to fraction form
    2,791.30/4,186.93 = 1,059.93/x
  3. Step 3: Cross multiply
    2,791.30x = 4,186.93 × 1,059.93
  4. Step 4: Simplify right side
    2,791.30x = 4,437,852.71
  5. Step 5: Solve for x
    x = 4,437,852.71/2,791.30
  6. Step 6: Final answer
    x = 1,589.89

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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.