Home / 1,612.20-2,418.36-995.52

Finding the Fourth Proportional to 1,612.20, 2,418.36 and 995.52

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Solution

The fourth proportional to 1,612.20, 2,418.36 and 995.52 is: 1,493.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,612.20 : 2,418.36 = 995.52 : x
  2. Step 2: Convert to fraction form
    1,612.20/2,418.36 = 995.52/x
  3. Step 3: Cross multiply
    1,612.20x = 2,418.36 × 995.52
  4. Step 4: Simplify right side
    1,612.20x = 2,407,525.75
  5. Step 5: Solve for x
    x = 2,407,525.75/1,612.20
  6. Step 6: Final answer
    x = 1,493.32

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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.