Home / 2,267.60-3,128.63-1,383.68

Finding the Fourth Proportional to 2,267.60, 3,128.63 and 1,383.68

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Solution

The fourth proportional to 2,267.60, 3,128.63 and 1,383.68 is: 1,909.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,267.60 : 3,128.63 = 1,383.68 : x
  2. Step 2: Convert to fraction form
    2,267.60/3,128.63 = 1,383.68/x
  3. Step 3: Cross multiply
    2,267.60x = 3,128.63 × 1,383.68
  4. Step 4: Simplify right side
    2,267.60x = 4,329,023.66
  5. Step 5: Solve for x
    x = 4,329,023.66/2,267.60
  6. Step 6: Final answer
    x = 1,909.08

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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.