Home / 3,670.32-5,504.88-1,329.90

Finding the Fourth Proportional to 3,670.32, 5,504.88 and 1,329.90

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Solution

The fourth proportional to 3,670.32, 5,504.88 and 1,329.90 is: 1,994.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,670.32 : 5,504.88 = 1,329.90 : x
  2. Step 2: Convert to fraction form
    3,670.32/5,504.88 = 1,329.90/x
  3. Step 3: Cross multiply
    3,670.32x = 5,504.88 × 1,329.90
  4. Step 4: Simplify right side
    3,670.32x = 7,320,939.91
  5. Step 5: Solve for x
    x = 7,320,939.91/3,670.32
  6. Step 6: Final answer
    x = 1,994.63

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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.