Home / 3,556.40-4,909.59-2,230.83

Finding the Fourth Proportional to 3,556.40, 4,909.59 and 2,230.83

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Solution

The fourth proportional to 3,556.40, 4,909.59 and 2,230.83 is: 3,079.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,556.40 : 4,909.59 = 2,230.83 : x
  2. Step 2: Convert to fraction form
    3,556.40/4,909.59 = 2,230.83/x
  3. Step 3: Cross multiply
    3,556.40x = 4,909.59 × 2,230.83
  4. Step 4: Simplify right side
    3,556.40x = 10,952,460.66
  5. Step 5: Solve for x
    x = 10,952,460.66/3,556.40
  6. Step 6: Final answer
    x = 3,079.65

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1.5x scale

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.