Home / 2,267.64-3,128.40-1,383.93

Finding the Fourth Proportional to 2,267.64, 3,128.40 and 1,383.93

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Solution

The fourth proportional to 2,267.64, 3,128.40 and 1,383.93 is: 1,909.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,267.64 : 3,128.40 = 1,383.93 : x
  2. Step 2: Convert to fraction form
    2,267.64/3,128.40 = 1,383.93/x
  3. Step 3: Cross multiply
    2,267.64x = 3,128.40 × 1,383.93
  4. Step 4: Simplify right side
    2,267.64x = 4,329,486.61
  5. Step 5: Solve for x
    x = 4,329,486.61/2,267.64
  6. Step 6: Final answer
    x = 1,909.25

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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.