Home / 2,259.68-3,389.40-1,104.56

Finding the Fourth Proportional to 2,259.68, 3,389.40 and 1,104.56

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Solution

The fourth proportional to 2,259.68, 3,389.40 and 1,104.56 is: 1,656.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,259.68 : 3,389.40 = 1,104.56 : x
  2. Step 2: Convert to fraction form
    2,259.68/3,389.40 = 1,104.56/x
  3. Step 3: Cross multiply
    2,259.68x = 3,389.40 × 1,104.56
  4. Step 4: Simplify right side
    2,259.68x = 3,743,795.66
  5. Step 5: Solve for x
    x = 3,743,795.66/2,259.68
  6. Step 6: Final answer
    x = 1,656.78

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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.