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Finding the Fourth Proportional to 2,259.26, 3,388.47 and 615.59

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Solution

The fourth proportional to 2,259.26, 3,388.47 and 615.59 is: 923.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,259.26 : 3,388.47 = 615.59 : x
  2. Step 2: Convert to fraction form
    2,259.26/3,388.47 = 615.59/x
  3. Step 3: Cross multiply
    2,259.26x = 3,388.47 × 615.59
  4. Step 4: Simplify right side
    2,259.26x = 2,085,908.25
  5. Step 5: Solve for x
    x = 2,085,908.25/2,259.26
  6. Step 6: Final answer
    x = 923.27

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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.