Home / 3,518.08-5,277.12-1,019.52

Finding the Fourth Proportional to 3,518.08, 5,277.12 and 1,019.52

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Solution

The fourth proportional to 3,518.08, 5,277.12 and 1,019.52 is: 1,529.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,518.08 : 5,277.12 = 1,019.52 : x
  2. Step 2: Convert to fraction form
    3,518.08/5,277.12 = 1,019.52/x
  3. Step 3: Cross multiply
    3,518.08x = 5,277.12 × 1,019.52
  4. Step 4: Simplify right side
    3,518.08x = 5,380,129.38
  5. Step 5: Solve for x
    x = 5,380,129.38/3,518.08
  6. Step 6: Final answer
    x = 1,529.28

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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.