Home / 2,813.28-3,892.08-2,465.04

Finding the Fourth Proportional to 2,813.28, 3,892.08 and 2,465.04

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Solution

The fourth proportional to 2,813.28, 3,892.08 and 2,465.04 is: 3,410.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,813.28 : 3,892.08 = 2,465.04 : x
  2. Step 2: Convert to fraction form
    2,813.28/3,892.08 = 2,465.04/x
  3. Step 3: Cross multiply
    2,813.28x = 3,892.08 × 2,465.04
  4. Step 4: Simplify right side
    2,813.28x = 9,594,132.88
  5. Step 5: Solve for x
    x = 9,594,132.88/2,813.28
  6. Step 6: Final answer
    x = 3,410.30

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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.