Home / 3,650.88-5,026.64-3,318.28

Finding the Fourth Proportional to 3,650.88, 5,026.64 and 3,318.28

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Solution

The fourth proportional to 3,650.88, 5,026.64 and 3,318.28 is: 4,568.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,650.88 : 5,026.64 = 3,318.28 : x
  2. Step 2: Convert to fraction form
    3,650.88/5,026.64 = 3,318.28/x
  3. Step 3: Cross multiply
    3,650.88x = 5,026.64 × 3,318.28
  4. Step 4: Simplify right side
    3,650.88x = 16,679,798.98
  5. Step 5: Solve for x
    x = 16,679,798.98/3,650.88
  6. Step 6: Final answer
    x = 4,568.71

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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.