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Finding the Fourth Proportional to 3,658.08, 5,460.60 and 3,401.73

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Solution

The fourth proportional to 3,658.08, 5,460.60 and 3,401.73 is: 5,077.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,658.08 : 5,460.60 = 3,401.73 : x
  2. Step 2: Convert to fraction form
    3,658.08/5,460.60 = 3,401.73/x
  3. Step 3: Cross multiply
    3,658.08x = 5,460.60 × 3,401.73
  4. Step 4: Simplify right side
    3,658.08x = 18,575,486.84
  5. Step 5: Solve for x
    x = 18,575,486.84/3,658.08
  6. Step 6: Final answer
    x = 5,077.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.