Home / 2,213.04-3,054.16-1,281.68

Finding the Fourth Proportional to 2,213.04, 3,054.16 and 1,281.68

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Solution

The fourth proportional to 2,213.04, 3,054.16 and 1,281.68 is: 1,768.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,213.04 : 3,054.16 = 1,281.68 : x
  2. Step 2: Convert to fraction form
    2,213.04/3,054.16 = 1,281.68/x
  3. Step 3: Cross multiply
    2,213.04x = 3,054.16 × 1,281.68
  4. Step 4: Simplify right side
    2,213.04x = 3,914,455.79
  5. Step 5: Solve for x
    x = 3,914,455.79/2,213.04
  6. Step 6: Final answer
    x = 1,768.81

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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.