Home / 2,222.04-3,066.05-1,277.64

Finding the Fourth Proportional to 2,222.04, 3,066.05 and 1,277.64

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Solution

The fourth proportional to 2,222.04, 3,066.05 and 1,277.64 is: 1,762.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,222.04 : 3,066.05 = 1,277.64 : x
  2. Step 2: Convert to fraction form
    2,222.04/3,066.05 = 1,277.64/x
  3. Step 3: Cross multiply
    2,222.04x = 3,066.05 × 1,277.64
  4. Step 4: Simplify right side
    2,222.04x = 3,917,308.12
  5. Step 5: Solve for x
    x = 3,917,308.12/2,222.04
  6. Step 6: Final answer
    x = 1,762.94

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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.