Home / 3,649.32-5,470.70-3,539.16

Finding the Fourth Proportional to 3,649.32, 5,470.70 and 3,539.16

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Solution

The fourth proportional to 3,649.32, 5,470.70 and 3,539.16 is: 5,305.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,649.32 : 5,470.70 = 3,539.16 : x
  2. Step 2: Convert to fraction form
    3,649.32/5,470.70 = 3,539.16/x
  3. Step 3: Cross multiply
    3,649.32x = 5,470.70 × 3,539.16
  4. Step 4: Simplify right side
    3,649.32x = 19,361,682.61
  5. Step 5: Solve for x
    x = 19,361,682.61/3,649.32
  6. Step 6: Final answer
    x = 5,305.56

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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.