Home / 2,609.64-3,592.26-2,255.40

Finding the Fourth Proportional to 2,609.64, 3,592.26 and 2,255.40

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Solution

The fourth proportional to 2,609.64, 3,592.26 and 2,255.40 is: 3,104.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,609.64 : 3,592.26 = 2,255.40 : x
  2. Step 2: Convert to fraction form
    2,609.64/3,592.26 = 2,255.40/x
  3. Step 3: Cross multiply
    2,609.64x = 3,592.26 × 2,255.40
  4. Step 4: Simplify right side
    2,609.64x = 8,101,983.20
  5. Step 5: Solve for x
    x = 8,101,983.20/2,609.64
  6. Step 6: Final answer
    x = 3,104.64

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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.