Home / 3,557.49-5,336.97-1,217.31

Finding the Fourth Proportional to 3,557.49, 5,336.97 and 1,217.31

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Solution

The fourth proportional to 3,557.49, 5,336.97 and 1,217.31 is: 1,826.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,557.49 : 5,336.97 = 1,217.31 : x
  2. Step 2: Convert to fraction form
    3,557.49/5,336.97 = 1,217.31/x
  3. Step 3: Cross multiply
    3,557.49x = 5,336.97 × 1,217.31
  4. Step 4: Simplify right side
    3,557.49x = 6,496,746.95
  5. Step 5: Solve for x
    x = 6,496,746.95/3,557.49
  6. Step 6: Final answer
    x = 1,826.22

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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.