Home / 2,289.20-3,434.52-1,365.80

Finding the Fourth Proportional to 2,289.20, 3,434.52 and 1,365.80

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Solution

The fourth proportional to 2,289.20, 3,434.52 and 1,365.80 is: 2,049.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,289.20 : 3,434.52 = 1,365.80 : x
  2. Step 2: Convert to fraction form
    2,289.20/3,434.52 = 1,365.80/x
  3. Step 3: Cross multiply
    2,289.20x = 3,434.52 × 1,365.80
  4. Step 4: Simplify right side
    2,289.20x = 4,690,867.42
  5. Step 5: Solve for x
    x = 4,690,867.42/2,289.20
  6. Step 6: Final answer
    x = 2,049.13

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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.