Home / 2,236.48-3,085.20-1,536.64

Finding the Fourth Proportional to 2,236.48, 3,085.20 and 1,536.64

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Solution

The fourth proportional to 2,236.48, 3,085.20 and 1,536.64 is: 2,119.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,236.48 : 3,085.20 = 1,536.64 : x
  2. Step 2: Convert to fraction form
    2,236.48/3,085.20 = 1,536.64/x
  3. Step 3: Cross multiply
    2,236.48x = 3,085.20 × 1,536.64
  4. Step 4: Simplify right side
    2,236.48x = 4,740,841.73
  5. Step 5: Solve for x
    x = 4,740,841.73/2,236.48
  6. Step 6: Final answer
    x = 2,119.78

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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.