Home / 3,331.68-4,999.77-1,383.87

Finding the Fourth Proportional to 3,331.68, 4,999.77 and 1,383.87

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Solution

The fourth proportional to 3,331.68, 4,999.77 and 1,383.87 is: 2,076.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,331.68 : 4,999.77 = 1,383.87 : x
  2. Step 2: Convert to fraction form
    3,331.68/4,999.77 = 1,383.87/x
  3. Step 3: Cross multiply
    3,331.68x = 4,999.77 × 1,383.87
  4. Step 4: Simplify right side
    3,331.68x = 6,919,031.71
  5. Step 5: Solve for x
    x = 6,919,031.71/3,331.68
  6. Step 6: Final answer
    x = 2,076.74

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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.