Home / 3,649.90-5,025.32-3,317.32

Finding the Fourth Proportional to 3,649.90, 5,025.32 and 3,317.32

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Solution

The fourth proportional to 3,649.90, 5,025.32 and 3,317.32 is: 4,567.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,649.90 : 5,025.32 = 3,317.32 : x
  2. Step 2: Convert to fraction form
    3,649.90/5,025.32 = 3,317.32/x
  3. Step 3: Cross multiply
    3,649.90x = 5,025.32 × 3,317.32
  4. Step 4: Simplify right side
    3,649.90x = 16,670,594.54
  5. Step 5: Solve for x
    x = 16,670,594.54/3,649.90
  6. Step 6: Final answer
    x = 4,567.41

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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.