Home / 3,653.43-5,479.20-1,055.76

Finding the Fourth Proportional to 3,653.43, 5,479.20 and 1,055.76

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Solution

The fourth proportional to 3,653.43, 5,479.20 and 1,055.76 is: 1,583.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,653.43 : 5,479.20 = 1,055.76 : x
  2. Step 2: Convert to fraction form
    3,653.43/5,479.20 = 1,055.76/x
  3. Step 3: Cross multiply
    3,653.43x = 5,479.20 × 1,055.76
  4. Step 4: Simplify right side
    3,653.43x = 5,784,720.19
  5. Step 5: Solve for x
    x = 5,784,720.19/3,653.43
  6. Step 6: Final answer
    x = 1,583.37

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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.