Home / 3,509.85-4,844.37-3,155.14

Finding the Fourth Proportional to 3,509.85, 4,844.37 and 3,155.14

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Solution

The fourth proportional to 3,509.85, 4,844.37 and 3,155.14 is: 4,354.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,509.85 : 4,844.37 = 3,155.14 : x
  2. Step 2: Convert to fraction form
    3,509.85/4,844.37 = 3,155.14/x
  3. Step 3: Cross multiply
    3,509.85x = 4,844.37 × 3,155.14
  4. Step 4: Simplify right side
    3,509.85x = 15,284,665.56
  5. Step 5: Solve for x
    x = 15,284,665.56/3,509.85
  6. Step 6: Final answer
    x = 4,354.79

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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.