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Finding the Fourth Proportional to 3,637.81, 5,020.15 and 2,065.92

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Solution

The fourth proportional to 3,637.81, 5,020.15 and 2,065.92 is: 2,850.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,637.81 : 5,020.15 = 2,065.92 : x
  2. Step 2: Convert to fraction form
    3,637.81/5,020.15 = 2,065.92/x
  3. Step 3: Cross multiply
    3,637.81x = 5,020.15 × 2,065.92
  4. Step 4: Simplify right side
    3,637.81x = 10,371,228.29
  5. Step 5: Solve for x
    x = 10,371,228.29/3,637.81
  6. Step 6: Final answer
    x = 2,850.95

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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.