Home / 2,790.17-3,850.52-1,882.90

Finding the Fourth Proportional to 2,790.17, 3,850.52 and 1,882.90

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Solution

The fourth proportional to 2,790.17, 3,850.52 and 1,882.90 is: 2,598.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,790.17 : 3,850.52 = 1,882.90 : x
  2. Step 2: Convert to fraction form
    2,790.17/3,850.52 = 1,882.90/x
  3. Step 3: Cross multiply
    2,790.17x = 3,850.52 × 1,882.90
  4. Step 4: Simplify right side
    2,790.17x = 7,250,144.11
  5. Step 5: Solve for x
    x = 7,250,144.11/2,790.17
  6. Step 6: Final answer
    x = 2,598.46

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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.