Home / 3,529.68-4,868.80-2,112.58

Finding the Fourth Proportional to 3,529.68, 4,868.80 and 2,112.58

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Solution

The fourth proportional to 3,529.68, 4,868.80 and 2,112.58 is: 2,914.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,529.68 : 4,868.80 = 2,112.58 : x
  2. Step 2: Convert to fraction form
    3,529.68/4,868.80 = 2,112.58/x
  3. Step 3: Cross multiply
    3,529.68x = 4,868.80 × 2,112.58
  4. Step 4: Simplify right side
    3,529.68x = 10,285,729.50
  5. Step 5: Solve for x
    x = 10,285,729.50/3,529.68
  6. Step 6: Final answer
    x = 2,914.07

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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.