Home / 2,212.56-3,053.20-1,281.04

Finding the Fourth Proportional to 2,212.56, 3,053.20 and 1,281.04

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Solution

The fourth proportional to 2,212.56, 3,053.20 and 1,281.04 is: 1,767.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,212.56 : 3,053.20 = 1,281.04 : x
  2. Step 2: Convert to fraction form
    2,212.56/3,053.20 = 1,281.04/x
  3. Step 3: Cross multiply
    2,212.56x = 3,053.20 × 1,281.04
  4. Step 4: Simplify right side
    2,212.56x = 3,911,271.33
  5. Step 5: Solve for x
    x = 3,911,271.33/2,212.56
  6. Step 6: Final answer
    x = 1,767.76

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.