Home / 3,865.24-5,331.99-2,746.63

Finding the Fourth Proportional to 3,865.24, 5,331.99 and 2,746.63

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Solution

The fourth proportional to 3,865.24, 5,331.99 and 2,746.63 is: 3,788.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,865.24 : 5,331.99 = 2,746.63 : x
  2. Step 2: Convert to fraction form
    3,865.24/5,331.99 = 2,746.63/x
  3. Step 3: Cross multiply
    3,865.24x = 5,331.99 × 2,746.63
  4. Step 4: Simplify right side
    3,865.24x = 14,645,003.69
  5. Step 5: Solve for x
    x = 14,645,003.69/3,865.24
  6. Step 6: Final answer
    x = 3,788.90

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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.