Home / 3,617.48-4,979.49-3,150.92

Finding the Fourth Proportional to 3,617.48, 4,979.49 and 3,150.92

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Solution

The fourth proportional to 3,617.48, 4,979.49 and 3,150.92 is: 4,337.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,617.48 : 4,979.49 = 3,150.92 : x
  2. Step 2: Convert to fraction form
    3,617.48/4,979.49 = 3,150.92/x
  3. Step 3: Cross multiply
    3,617.48x = 4,979.49 × 3,150.92
  4. Step 4: Simplify right side
    3,617.48x = 15,689,975.26
  5. Step 5: Solve for x
    x = 15,689,975.26/3,617.48
  6. Step 6: Final answer
    x = 4,337.26

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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.