Home / 3,650.90-5,026.68-3,318.30

Finding the Fourth Proportional to 3,650.90, 5,026.68 and 3,318.30

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Solution

The fourth proportional to 3,650.90, 5,026.68 and 3,318.30 is: 4,568.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,650.90 : 5,026.68 = 3,318.30 : x
  2. Step 2: Convert to fraction form
    3,650.90/5,026.68 = 3,318.30/x
  3. Step 3: Cross multiply
    3,650.90x = 5,026.68 × 3,318.30
  4. Step 4: Simplify right side
    3,650.90x = 16,680,032.24
  5. Step 5: Solve for x
    x = 16,680,032.24/3,650.90
  6. Step 6: Final answer
    x = 4,568.75

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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.