Home / 3,649.15-5,475.55-3,165.58

Finding the Fourth Proportional to 3,649.15, 5,475.55 and 3,165.58

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Solution

The fourth proportional to 3,649.15, 5,475.55 and 3,165.58 is: 4,749.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,649.15 : 5,475.55 = 3,165.58 : x
  2. Step 2: Convert to fraction form
    3,649.15/5,475.55 = 3,165.58/x
  3. Step 3: Cross multiply
    3,649.15x = 5,475.55 × 3,165.58
  4. Step 4: Simplify right side
    3,649.15x = 17,333,296.43
  5. Step 5: Solve for x
    x = 17,333,296.43/3,649.15
  6. Step 6: Final answer
    x = 4,749.95

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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.