Home / 2,591.08-3,883.92-1,129.84

Finding the Fourth Proportional to 2,591.08, 3,883.92 and 1,129.84

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Solution

The fourth proportional to 2,591.08, 3,883.92 and 1,129.84 is: 1,693.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,591.08 : 3,883.92 = 1,129.84 : x
  2. Step 2: Convert to fraction form
    2,591.08/3,883.92 = 1,129.84/x
  3. Step 3: Cross multiply
    2,591.08x = 3,883.92 × 1,129.84
  4. Step 4: Simplify right side
    2,591.08x = 4,388,208.17
  5. Step 5: Solve for x
    x = 4,388,208.17/2,591.08
  6. Step 6: Final answer
    x = 1,693.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.