Home / 3,827.75-5,282.56-2,126.34

Finding the Fourth Proportional to 3,827.75, 5,282.56 and 2,126.34

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Solution

The fourth proportional to 3,827.75, 5,282.56 and 2,126.34 is: 2,934.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,827.75 : 5,282.56 = 2,126.34 : x
  2. Step 2: Convert to fraction form
    3,827.75/5,282.56 = 2,126.34/x
  3. Step 3: Cross multiply
    3,827.75x = 5,282.56 × 2,126.34
  4. Step 4: Simplify right side
    3,827.75x = 11,232,521.29
  5. Step 5: Solve for x
    x = 11,232,521.29/3,827.75
  6. Step 6: Final answer
    x = 2,934.50

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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.