Home / 1,911.12-2,866.68-1,044.96

Finding the Fourth Proportional to 1,911.12, 2,866.68 and 1,044.96

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Solution

The fourth proportional to 1,911.12, 2,866.68 and 1,044.96 is: 1,567.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,911.12 : 2,866.68 = 1,044.96 : x
  2. Step 2: Convert to fraction form
    1,911.12/2,866.68 = 1,044.96/x
  3. Step 3: Cross multiply
    1,911.12x = 2,866.68 × 1,044.96
  4. Step 4: Simplify right side
    1,911.12x = 2,995,565.93
  5. Step 5: Solve for x
    x = 2,995,565.93/1,911.12
  6. Step 6: Final answer
    x = 1,567.44

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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.