Home / 2,267.10-3,129.14-1,383.38

Finding the Fourth Proportional to 2,267.10, 3,129.14 and 1,383.38

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Solution

The fourth proportional to 2,267.10, 3,129.14 and 1,383.38 is: 1,909.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,267.10 : 3,129.14 = 1,383.38 : x
  2. Step 2: Convert to fraction form
    2,267.10/3,129.14 = 1,383.38/x
  3. Step 3: Cross multiply
    2,267.10x = 3,129.14 × 1,383.38
  4. Step 4: Simplify right side
    2,267.10x = 4,328,789.69
  5. Step 5: Solve for x
    x = 4,328,789.69/2,267.10
  6. Step 6: Final answer
    x = 1,909.40

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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.