Home / 2,259.59-3,388.57-961.16

Finding the Fourth Proportional to 2,259.59, 3,388.57 and 961.16

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Solution

The fourth proportional to 2,259.59, 3,388.57 and 961.16 is: 1,441.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,259.59 : 3,388.57 = 961.16 : x
  2. Step 2: Convert to fraction form
    2,259.59/3,388.57 = 961.16/x
  3. Step 3: Cross multiply
    2,259.59x = 3,388.57 × 961.16
  4. Step 4: Simplify right side
    2,259.59x = 3,256,938.60
  5. Step 5: Solve for x
    x = 3,256,938.60/2,259.59
  6. Step 6: Final answer
    x = 1,441.39

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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.