Home / 3,757.02-5,181.53-2,815.02

Finding the Fourth Proportional to 3,757.02, 5,181.53 and 2,815.02

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Solution

The fourth proportional to 3,757.02, 5,181.53 and 2,815.02 is: 3,882.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,757.02 : 5,181.53 = 2,815.02 : x
  2. Step 2: Convert to fraction form
    3,757.02/5,181.53 = 2,815.02/x
  3. Step 3: Cross multiply
    3,757.02x = 5,181.53 × 2,815.02
  4. Step 4: Simplify right side
    3,757.02x = 14,586,110.58
  5. Step 5: Solve for x
    x = 14,586,110.58/3,757.02
  6. Step 6: Final answer
    x = 3,882.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.