Home / 3,901.34-5,379.26-3,152.97

Finding the Fourth Proportional to 3,901.34, 5,379.26 and 3,152.97

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Solution

The fourth proportional to 3,901.34, 5,379.26 and 3,152.97 is: 4,347.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,901.34 : 5,379.26 = 3,152.97 : x
  2. Step 2: Convert to fraction form
    3,901.34/5,379.26 = 3,152.97/x
  3. Step 3: Cross multiply
    3,901.34x = 5,379.26 × 3,152.97
  4. Step 4: Simplify right side
    3,901.34x = 16,960,629.64
  5. Step 5: Solve for x
    x = 16,960,629.64/3,901.34
  6. Step 6: Final answer
    x = 4,347.38

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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.