Home / 2,827.14-3,902.49-2,127.30

Finding the Fourth Proportional to 2,827.14, 3,902.49 and 2,127.30

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Solution

The fourth proportional to 2,827.14, 3,902.49 and 2,127.30 is: 2,936.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,827.14 : 3,902.49 = 2,127.30 : x
  2. Step 2: Convert to fraction form
    2,827.14/3,902.49 = 2,127.30/x
  3. Step 3: Cross multiply
    2,827.14x = 3,902.49 × 2,127.30
  4. Step 4: Simplify right side
    2,827.14x = 8,301,766.98
  5. Step 5: Solve for x
    x = 8,301,766.98/2,827.14
  6. Step 6: Final answer
    x = 2,936.45

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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.