Home / 3,485.82-5,230.79-1,296.08

Finding the Fourth Proportional to 3,485.82, 5,230.79 and 1,296.08

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Solution

The fourth proportional to 3,485.82, 5,230.79 and 1,296.08 is: 1,944.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485.82 : 5,230.79 = 1,296.08 : x
  2. Step 2: Convert to fraction form
    3,485.82/5,230.79 = 1,296.08/x
  3. Step 3: Cross multiply
    3,485.82x = 5,230.79 × 1,296.08
  4. Step 4: Simplify right side
    3,485.82x = 6,779,489.67
  5. Step 5: Solve for x
    x = 6,779,489.67/3,485.82
  6. Step 6: Final answer
    x = 1,944.88

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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.