Home / 2,782.29-4,169.80-1,136.96

Finding the Fourth Proportional to 2,782.29, 4,169.80 and 1,136.96

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Solution

The fourth proportional to 2,782.29, 4,169.80 and 1,136.96 is: 1,703.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,782.29 : 4,169.80 = 1,136.96 : x
  2. Step 2: Convert to fraction form
    2,782.29/4,169.80 = 1,136.96/x
  3. Step 3: Cross multiply
    2,782.29x = 4,169.80 × 1,136.96
  4. Step 4: Simplify right side
    2,782.29x = 4,740,909.08
  5. Step 5: Solve for x
    x = 4,740,909.08/2,782.29
  6. Step 6: Final answer
    x = 1,703.96

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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.