Home / 3,726.72-5,148.70-3,173.09

Finding the Fourth Proportional to 3,726.72, 5,148.70 and 3,173.09

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Solution

The fourth proportional to 3,726.72, 5,148.70 and 3,173.09 is: 4,383.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,726.72 : 5,148.70 = 3,173.09 : x
  2. Step 2: Convert to fraction form
    3,726.72/5,148.70 = 3,173.09/x
  3. Step 3: Cross multiply
    3,726.72x = 5,148.70 × 3,173.09
  4. Step 4: Simplify right side
    3,726.72x = 16,337,254.81
  5. Step 5: Solve for x
    x = 16,337,254.81/3,726.72
  6. Step 6: Final answer
    x = 4,383.82

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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.