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Finding the Fourth Proportional to 3,601.41, 4,972.10 and 2,605.65

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Solution

The fourth proportional to 3,601.41, 4,972.10 and 2,605.65 is: 3,597.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,601.41 : 4,972.10 = 2,605.65 : x
  2. Step 2: Convert to fraction form
    3,601.41/4,972.10 = 2,605.65/x
  3. Step 3: Cross multiply
    3,601.41x = 4,972.10 × 2,605.65
  4. Step 4: Simplify right side
    3,601.41x = 12,955,552.37
  5. Step 5: Solve for x
    x = 12,955,552.37/3,601.41
  6. Step 6: Final answer
    x = 3,597.36

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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.