Home / 3,518.16-5,277.24-1,326.42

Finding the Fourth Proportional to 3,518.16, 5,277.24 and 1,326.42

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Solution

The fourth proportional to 3,518.16, 5,277.24 and 1,326.42 is: 1,989.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,518.16 : 5,277.24 = 1,326.42 : x
  2. Step 2: Convert to fraction form
    3,518.16/5,277.24 = 1,326.42/x
  3. Step 3: Cross multiply
    3,518.16x = 5,277.24 × 1,326.42
  4. Step 4: Simplify right side
    3,518.16x = 6,999,836.68
  5. Step 5: Solve for x
    x = 6,999,836.68/3,518.16
  6. Step 6: Final answer
    x = 1,989.63

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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.