Home / 2,277.45-3,142.89-1,282.64

Finding the Fourth Proportional to 2,277.45, 3,142.89 and 1,282.64

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Solution

The fourth proportional to 2,277.45, 3,142.89 and 1,282.64 is: 1,770.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,277.45 : 3,142.89 = 1,282.64 : x
  2. Step 2: Convert to fraction form
    2,277.45/3,142.89 = 1,282.64/x
  3. Step 3: Cross multiply
    2,277.45x = 3,142.89 × 1,282.64
  4. Step 4: Simplify right side
    2,277.45x = 4,031,180.72
  5. Step 5: Solve for x
    x = 4,031,180.72/2,277.45
  6. Step 6: Final answer
    x = 1,770.04

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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.