Home / 2,298.20-3,447.30-2,259.80

Finding the Fourth Proportional to 2,298.20, 3,447.30 and 2,259.80

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Solution

The fourth proportional to 2,298.20, 3,447.30 and 2,259.80 is: 3,389.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,298.20 : 3,447.30 = 2,259.80 : x
  2. Step 2: Convert to fraction form
    2,298.20/3,447.30 = 2,259.80/x
  3. Step 3: Cross multiply
    2,298.20x = 3,447.30 × 2,259.80
  4. Step 4: Simplify right side
    2,298.20x = 7,790,208.54
  5. Step 5: Solve for x
    x = 7,790,208.54/2,298.20
  6. Step 6: Final answer
    x = 3,389.70

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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.