Home / 3,557.39-5,336.08-1,217.42

Finding the Fourth Proportional to 3,557.39, 5,336.08 and 1,217.42

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Solution

The fourth proportional to 3,557.39, 5,336.08 and 1,217.42 is: 1,826.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,557.39 : 5,336.08 = 1,217.42 : x
  2. Step 2: Convert to fraction form
    3,557.39/5,336.08 = 1,217.42/x
  3. Step 3: Cross multiply
    3,557.39x = 5,336.08 × 1,217.42
  4. Step 4: Simplify right side
    3,557.39x = 6,496,240.80
  5. Step 5: Solve for x
    x = 6,496,240.80/3,557.39
  6. Step 6: Final answer
    x = 1,826.13

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Double scale
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Similar ratio
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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.