Home / 3,379.64-4,665.96-3,170.48

Finding the Fourth Proportional to 3,379.64, 4,665.96 and 3,170.48

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Solution

The fourth proportional to 3,379.64, 4,665.96 and 3,170.48 is: 4,377.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,379.64 : 4,665.96 = 3,170.48 : x
  2. Step 2: Convert to fraction form
    3,379.64/4,665.96 = 3,170.48/x
  3. Step 3: Cross multiply
    3,379.64x = 4,665.96 × 3,170.48
  4. Step 4: Simplify right side
    3,379.64x = 14,793,332.86
  5. Step 5: Solve for x
    x = 14,793,332.86/3,379.64
  6. Step 6: Final answer
    x = 4,377.19

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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.