Home / 2,869.48-3,934.09-2,817.64

Finding the Fourth Proportional to 2,869.48, 3,934.09 and 2,817.64

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Solution

The fourth proportional to 2,869.48, 3,934.09 and 2,817.64 is: 3,863.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,869.48 : 3,934.09 = 2,817.64 : x
  2. Step 2: Convert to fraction form
    2,869.48/3,934.09 = 2,817.64/x
  3. Step 3: Cross multiply
    2,869.48x = 3,934.09 × 2,817.64
  4. Step 4: Simplify right side
    2,869.48x = 11,084,849.35
  5. Step 5: Solve for x
    x = 11,084,849.35/2,869.48
  6. Step 6: Final answer
    x = 3,863.02

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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.