Home / 3,519.23-5,277.52-1,438.12

Finding the Fourth Proportional to 3,519.23, 5,277.52 and 1,438.12

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Solution

The fourth proportional to 3,519.23, 5,277.52 and 1,438.12 is: 2,156.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,519.23 : 5,277.52 = 1,438.12 : x
  2. Step 2: Convert to fraction form
    3,519.23/5,277.52 = 1,438.12/x
  3. Step 3: Cross multiply
    3,519.23x = 5,277.52 × 1,438.12
  4. Step 4: Simplify right side
    3,519.23x = 7,589,707.06
  5. Step 5: Solve for x
    x = 7,589,707.06/3,519.23
  6. Step 6: Final answer
    x = 2,156.64

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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.