Home / 3,558.30-5,333.80-1,479.51

Finding the Fourth Proportional to 3,558.30, 5,333.80 and 1,479.51

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Solution

The fourth proportional to 3,558.30, 5,333.80 and 1,479.51 is: 2,217.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,558.30 : 5,333.80 = 1,479.51 : x
  2. Step 2: Convert to fraction form
    3,558.30/5,333.80 = 1,479.51/x
  3. Step 3: Cross multiply
    3,558.30x = 5,333.80 × 1,479.51
  4. Step 4: Simplify right side
    3,558.30x = 7,891,410.44
  5. Step 5: Solve for x
    x = 7,891,410.44/3,558.30
  6. Step 6: Final answer
    x = 2,217.75

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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.