Home / 3,658.40-5,493.06-3,166.32

Finding the Fourth Proportional to 3,658.40, 5,493.06 and 3,166.32

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Solution

The fourth proportional to 3,658.40, 5,493.06 and 3,166.32 is: 4,754.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,658.40 : 5,493.06 = 3,166.32 : x
  2. Step 2: Convert to fraction form
    3,658.40/5,493.06 = 3,166.32/x
  3. Step 3: Cross multiply
    3,658.40x = 5,493.06 × 3,166.32
  4. Step 4: Simplify right side
    3,658.40x = 17,392,785.74
  5. Step 5: Solve for x
    x = 17,392,785.74/3,658.40
  6. Step 6: Final answer
    x = 4,754.21

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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.