Home / 2,732.22-3,769.62-1,612.80

Finding the Fourth Proportional to 2,732.22, 3,769.62 and 1,612.80

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Solution

The fourth proportional to 2,732.22, 3,769.62 and 1,612.80 is: 2,225.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,732.22 : 3,769.62 = 1,612.80 : x
  2. Step 2: Convert to fraction form
    2,732.22/3,769.62 = 1,612.80/x
  3. Step 3: Cross multiply
    2,732.22x = 3,769.62 × 1,612.80
  4. Step 4: Simplify right side
    2,732.22x = 6,079,643.14
  5. Step 5: Solve for x
    x = 6,079,643.14/2,732.22
  6. Step 6: Final answer
    x = 2,225.17

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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.