Home / 2,192.04-3,287.92-1,206.75

Finding the Fourth Proportional to 2,192.04, 3,287.92 and 1,206.75

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Solution

The fourth proportional to 2,192.04, 3,287.92 and 1,206.75 is: 1,810.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,192.04 : 3,287.92 = 1,206.75 : x
  2. Step 2: Convert to fraction form
    2,192.04/3,287.92 = 1,206.75/x
  3. Step 3: Cross multiply
    2,192.04x = 3,287.92 × 1,206.75
  4. Step 4: Simplify right side
    2,192.04x = 3,967,697.46
  5. Step 5: Solve for x
    x = 3,967,697.46/2,192.04
  6. Step 6: Final answer
    x = 1,810.05

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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.