Home / 2,794.49-4,192.04-2,102.55

Finding the Fourth Proportional to 2,794.49, 4,192.04 and 2,102.55

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Solution

The fourth proportional to 2,794.49, 4,192.04 and 2,102.55 is: 3,154.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,794.49 : 4,192.04 = 2,102.55 : x
  2. Step 2: Convert to fraction form
    2,794.49/4,192.04 = 2,102.55/x
  3. Step 3: Cross multiply
    2,794.49x = 4,192.04 × 2,102.55
  4. Step 4: Simplify right side
    2,794.49x = 8,813,973.70
  5. Step 5: Solve for x
    x = 8,813,973.70/2,794.49
  6. Step 6: Final answer
    x = 3,154.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.