Home / 2,608.88-3,599.64-1,909.04

Finding the Fourth Proportional to 2,608.88, 3,599.64 and 1,909.04

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Solution

The fourth proportional to 2,608.88, 3,599.64 and 1,909.04 is: 2,634.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,608.88 : 3,599.64 = 1,909.04 : x
  2. Step 2: Convert to fraction form
    2,608.88/3,599.64 = 1,909.04/x
  3. Step 3: Cross multiply
    2,608.88x = 3,599.64 × 1,909.04
  4. Step 4: Simplify right side
    2,608.88x = 6,871,856.75
  5. Step 5: Solve for x
    x = 6,871,856.75/2,608.88
  6. Step 6: Final answer
    x = 2,634.03

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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.