Home / 3,558.86-5,336.52-1,218.20

Finding the Fourth Proportional to 3,558.86, 5,336.52 and 1,218.20

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Solution

The fourth proportional to 3,558.86, 5,336.52 and 1,218.20 is: 1,826.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,558.86 : 5,336.52 = 1,218.20 : x
  2. Step 2: Convert to fraction form
    3,558.86/5,336.52 = 1,218.20/x
  3. Step 3: Cross multiply
    3,558.86x = 5,336.52 × 1,218.20
  4. Step 4: Simplify right side
    3,558.86x = 6,500,942.57
  5. Step 5: Solve for x
    x = 6,500,942.57/3,558.86
  6. Step 6: Final answer
    x = 1,826.69

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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.