Home / 3,524.84-4,865.28-2,127.68

Finding the Fourth Proportional to 3,524.84, 4,865.28 and 2,127.68

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Solution

The fourth proportional to 3,524.84, 4,865.28 and 2,127.68 is: 2,936.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,524.84 : 4,865.28 = 2,127.68 : x
  2. Step 2: Convert to fraction form
    3,524.84/4,865.28 = 2,127.68/x
  3. Step 3: Cross multiply
    3,524.84x = 4,865.28 × 2,127.68
  4. Step 4: Simplify right side
    3,524.84x = 10,351,758.95
  5. Step 5: Solve for x
    x = 10,351,758.95/3,524.84
  6. Step 6: Final answer
    x = 2,936.80

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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.