Home / 2,394.88-3,287.28-2,127.04

Finding the Fourth Proportional to 2,394.88, 3,287.28 and 2,127.04

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Solution

The fourth proportional to 2,394.88, 3,287.28 and 2,127.04 is: 2,919.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,394.88 : 3,287.28 = 2,127.04 : x
  2. Step 2: Convert to fraction form
    2,394.88/3,287.28 = 2,127.04/x
  3. Step 3: Cross multiply
    2,394.88x = 3,287.28 × 2,127.04
  4. Step 4: Simplify right side
    2,394.88x = 6,992,176.05
  5. Step 5: Solve for x
    x = 6,992,176.05/2,394.88
  6. Step 6: Final answer
    x = 2,919.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.