Home / 2,267.34-3,128.85-1,384.62

Finding the Fourth Proportional to 2,267.34, 3,128.85 and 1,384.62

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Solution

The fourth proportional to 2,267.34, 3,128.85 and 1,384.62 is: 1,910.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,267.34 : 3,128.85 = 1,384.62 : x
  2. Step 2: Convert to fraction form
    2,267.34/3,128.85 = 1,384.62/x
  3. Step 3: Cross multiply
    2,267.34x = 3,128.85 × 1,384.62
  4. Step 4: Simplify right side
    2,267.34x = 4,332,268.29
  5. Step 5: Solve for x
    x = 4,332,268.29/2,267.34
  6. Step 6: Final answer
    x = 1,910.73

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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.