Home / 3,558.71-5,336.85-1,218.08

Finding the Fourth Proportional to 3,558.71, 5,336.85 and 1,218.08

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Solution

The fourth proportional to 3,558.71, 5,336.85 and 1,218.08 is: 1,826.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,558.71 : 5,336.85 = 1,218.08 : x
  2. Step 2: Convert to fraction form
    3,558.71/5,336.85 = 1,218.08/x
  3. Step 3: Cross multiply
    3,558.71x = 5,336.85 × 1,218.08
  4. Step 4: Simplify right side
    3,558.71x = 6,500,710.25
  5. Step 5: Solve for x
    x = 6,500,710.25/3,558.71
  6. Step 6: Final answer
    x = 1,826.70

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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.