Home / 2,267.75-3,129.68-1,336.43

Finding the Fourth Proportional to 2,267.75, 3,129.68 and 1,336.43

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Solution

The fourth proportional to 2,267.75, 3,129.68 and 1,336.43 is: 1,844.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,267.75 : 3,129.68 = 1,336.43 : x
  2. Step 2: Convert to fraction form
    2,267.75/3,129.68 = 1,336.43/x
  3. Step 3: Cross multiply
    2,267.75x = 3,129.68 × 1,336.43
  4. Step 4: Simplify right side
    2,267.75x = 4,182,598.24
  5. Step 5: Solve for x
    x = 4,182,598.24/2,267.75
  6. Step 6: Final answer
    x = 1,844.38

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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.