Home / 3,965.50-5,464.85-2,903.59

Finding the Fourth Proportional to 3,965.50, 5,464.85 and 2,903.59

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Solution

The fourth proportional to 3,965.50, 5,464.85 and 2,903.59 is: 4,001.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,965.50 : 5,464.85 = 2,903.59 : x
  2. Step 2: Convert to fraction form
    3,965.50/5,464.85 = 2,903.59/x
  3. Step 3: Cross multiply
    3,965.50x = 5,464.85 × 2,903.59
  4. Step 4: Simplify right side
    3,965.50x = 15,867,676.12
  5. Step 5: Solve for x
    x = 15,867,676.12/3,965.50
  6. Step 6: Final answer
    x = 4,001.43

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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.