Home / 2,259.25-3,389.90-1,336.61

Finding the Fourth Proportional to 2,259.25, 3,389.90 and 1,336.61

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Solution

The fourth proportional to 2,259.25, 3,389.90 and 1,336.61 is: 2,005.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,259.25 : 3,389.90 = 1,336.61 : x
  2. Step 2: Convert to fraction form
    2,259.25/3,389.90 = 1,336.61/x
  3. Step 3: Cross multiply
    2,259.25x = 3,389.90 × 1,336.61
  4. Step 4: Simplify right side
    2,259.25x = 4,530,986.06
  5. Step 5: Solve for x
    x = 4,530,986.06/2,259.25
  6. Step 6: Final answer
    x = 2,005.53

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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.