Home / 3,835.84-5,292.55-2,156.92

Finding the Fourth Proportional to 3,835.84, 5,292.55 and 2,156.92

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Solution

The fourth proportional to 3,835.84, 5,292.55 and 2,156.92 is: 2,976.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,835.84 : 5,292.55 = 2,156.92 : x
  2. Step 2: Convert to fraction form
    3,835.84/5,292.55 = 2,156.92/x
  3. Step 3: Cross multiply
    3,835.84x = 5,292.55 × 2,156.92
  4. Step 4: Simplify right side
    3,835.84x = 11,415,606.95
  5. Step 5: Solve for x
    x = 11,415,606.95/3,835.84
  6. Step 6: Final answer
    x = 2,976.04

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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.