Home / 3,465.60-5,195.49-1,615.77

Finding the Fourth Proportional to 3,465.60, 5,195.49 and 1,615.77

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Solution

The fourth proportional to 3,465.60, 5,195.49 and 1,615.77 is: 2,422.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,465.60 : 5,195.49 = 1,615.77 : x
  2. Step 2: Convert to fraction form
    3,465.60/5,195.49 = 1,615.77/x
  3. Step 3: Cross multiply
    3,465.60x = 5,195.49 × 1,615.77
  4. Step 4: Simplify right side
    3,465.60x = 8,394,716.88
  5. Step 5: Solve for x
    x = 8,394,716.88/3,465.60
  6. Step 6: Final answer
    x = 2,422.30

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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.