Home / 3,529.92-4,871.04-2,132.16

Finding the Fourth Proportional to 3,529.92, 4,871.04 and 2,132.16

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Solution

The fourth proportional to 3,529.92, 4,871.04 and 2,132.16 is: 2,942.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,529.92 : 4,871.04 = 2,132.16 : x
  2. Step 2: Convert to fraction form
    3,529.92/4,871.04 = 2,132.16/x
  3. Step 3: Cross multiply
    3,529.92x = 4,871.04 × 2,132.16
  4. Step 4: Simplify right side
    3,529.92x = 10,385,836.65
  5. Step 5: Solve for x
    x = 10,385,836.65/3,529.92
  6. Step 6: Final answer
    x = 2,942.23

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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.