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Finding the Fourth Proportional to 3,605.87, 4,976.21 and 2,034.34

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Solution

The fourth proportional to 3,605.87, 4,976.21 and 2,034.34 is: 2,807.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,605.87 : 4,976.21 = 2,034.34 : x
  2. Step 2: Convert to fraction form
    3,605.87/4,976.21 = 2,034.34/x
  3. Step 3: Cross multiply
    3,605.87x = 4,976.21 × 2,034.34
  4. Step 4: Simplify right side
    3,605.87x = 10,123,295.70
  5. Step 5: Solve for x
    x = 10,123,295.70/3,605.87
  6. Step 6: Final answer
    x = 2,807.45

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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.