Home / 3,670.29-5,505.84-1,479.06

Finding the Fourth Proportional to 3,670.29, 5,505.84 and 1,479.06

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Solution

The fourth proportional to 3,670.29, 5,505.84 and 1,479.06 is: 2,218.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,670.29 : 5,505.84 = 1,479.06 : x
  2. Step 2: Convert to fraction form
    3,670.29/5,505.84 = 1,479.06/x
  3. Step 3: Cross multiply
    3,670.29x = 5,505.84 × 1,479.06
  4. Step 4: Simplify right side
    3,670.29x = 8,143,467.71
  5. Step 5: Solve for x
    x = 8,143,467.71/3,670.29
  6. Step 6: Final answer
    x = 2,218.75

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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.