Home / 2,813.02-3,882.99-2,288.14

Finding the Fourth Proportional to 2,813.02, 3,882.99 and 2,288.14

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Solution

The fourth proportional to 2,813.02, 3,882.99 and 2,288.14 is: 3,158.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,813.02 : 3,882.99 = 2,288.14 : x
  2. Step 2: Convert to fraction form
    2,813.02/3,882.99 = 2,288.14/x
  3. Step 3: Cross multiply
    2,813.02x = 3,882.99 × 2,288.14
  4. Step 4: Simplify right side
    2,813.02x = 8,884,824.74
  5. Step 5: Solve for x
    x = 8,884,824.74/2,813.02
  6. Step 6: Final answer
    x = 3,158.46

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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.