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Finding the Fourth Proportional to 3,601.49, 4,968.15 and 2,480.49

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Solution

The fourth proportional to 3,601.49, 4,968.15 and 2,480.49 is: 3,421.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,601.49 : 4,968.15 = 2,480.49 : x
  2. Step 2: Convert to fraction form
    3,601.49/4,968.15 = 2,480.49/x
  3. Step 3: Cross multiply
    3,601.49x = 4,968.15 × 2,480.49
  4. Step 4: Simplify right side
    3,601.49x = 12,323,455.72
  5. Step 5: Solve for x
    x = 12,323,455.72/3,601.49
  6. Step 6: Final answer
    x = 3,421.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.