Home / 3,657.20-5,046.90-2,259.68

Finding the Fourth Proportional to 3,657.20, 5,046.90 and 2,259.68

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Solution

The fourth proportional to 3,657.20, 5,046.90 and 2,259.68 is: 3,118.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,657.20 : 5,046.90 = 2,259.68 : x
  2. Step 2: Convert to fraction form
    3,657.20/5,046.90 = 2,259.68/x
  3. Step 3: Cross multiply
    3,657.20x = 5,046.90 × 2,259.68
  4. Step 4: Simplify right side
    3,657.20x = 11,404,378.99
  5. Step 5: Solve for x
    x = 11,404,378.99/3,657.20
  6. Step 6: Final answer
    x = 3,118.34

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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.