Home / 3,638.91-5,459.48-2,529.47

Finding the Fourth Proportional to 3,638.91, 5,459.48 and 2,529.47

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Solution

The fourth proportional to 3,638.91, 5,459.48 and 2,529.47 is: 3,794.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,638.91 : 5,459.48 = 2,529.47 : x
  2. Step 2: Convert to fraction form
    3,638.91/5,459.48 = 2,529.47/x
  3. Step 3: Cross multiply
    3,638.91x = 5,459.48 × 2,529.47
  4. Step 4: Simplify right side
    3,638.91x = 13,809,550.93
  5. Step 5: Solve for x
    x = 13,809,550.93/3,638.91
  6. Step 6: Final answer
    x = 3,794.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.