Home / 3,559.40-4,909.06-2,230.60

Finding the Fourth Proportional to 3,559.40, 4,909.06 and 2,230.60

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Solution

The fourth proportional to 3,559.40, 4,909.06 and 2,230.60 is: 3,076.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,559.40 : 4,909.06 = 2,230.60 : x
  2. Step 2: Convert to fraction form
    3,559.40/4,909.06 = 2,230.60/x
  3. Step 3: Cross multiply
    3,559.40x = 4,909.06 × 2,230.60
  4. Step 4: Simplify right side
    3,559.40x = 10,950,149.24
  5. Step 5: Solve for x
    x = 10,950,149.24/3,559.40
  6. Step 6: Final answer
    x = 3,076.40

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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.