Home / 3,823.02-5,735.90-2,781.26

Finding the Fourth Proportional to 3,823.02, 5,735.90 and 2,781.26

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Solution

The fourth proportional to 3,823.02, 5,735.90 and 2,781.26 is: 4,172.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,823.02 : 5,735.90 = 2,781.26 : x
  2. Step 2: Convert to fraction form
    3,823.02/5,735.90 = 2,781.26/x
  3. Step 3: Cross multiply
    3,823.02x = 5,735.90 × 2,781.26
  4. Step 4: Simplify right side
    3,823.02x = 15,953,029.23
  5. Step 5: Solve for x
    x = 15,953,029.23/3,823.02
  6. Step 6: Final answer
    x = 4,172.89

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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.