Home / 2,630.26-3,944.40-1,330.84

Finding the Fourth Proportional to 2,630.26, 3,944.40 and 1,330.84

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Solution

The fourth proportional to 2,630.26, 3,944.40 and 1,330.84 is: 1,995.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,630.26 : 3,944.40 = 1,330.84 : x
  2. Step 2: Convert to fraction form
    2,630.26/3,944.40 = 1,330.84/x
  3. Step 3: Cross multiply
    2,630.26x = 3,944.40 × 1,330.84
  4. Step 4: Simplify right side
    2,630.26x = 5,249,365.30
  5. Step 5: Solve for x
    x = 5,249,365.30/2,630.26
  6. Step 6: Final answer
    x = 1,995.76

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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.