Home / 3,821.02-5,732.90-2,779.26

Finding the Fourth Proportional to 3,821.02, 5,732.90 and 2,779.26

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Solution

The fourth proportional to 3,821.02, 5,732.90 and 2,779.26 is: 4,169.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,821.02 : 5,732.90 = 2,779.26 : x
  2. Step 2: Convert to fraction form
    3,821.02/5,732.90 = 2,779.26/x
  3. Step 3: Cross multiply
    3,821.02x = 5,732.90 × 2,779.26
  4. Step 4: Simplify right side
    3,821.02x = 15,933,219.65
  5. Step 5: Solve for x
    x = 15,933,219.65/3,821.02
  6. Step 6: Final answer
    x = 4,169.89

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1.5x scale

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.