Home / 2,637.11-3,639.16-1,641.89

Finding the Fourth Proportional to 2,637.11, 3,639.16 and 1,641.89

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Solution

The fourth proportional to 2,637.11, 3,639.16 and 1,641.89 is: 2,265.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,637.11 : 3,639.16 = 1,641.89 : x
  2. Step 2: Convert to fraction form
    2,637.11/3,639.16 = 1,641.89/x
  3. Step 3: Cross multiply
    2,637.11x = 3,639.16 × 1,641.89
  4. Step 4: Simplify right side
    2,637.11x = 5,975,100.41
  5. Step 5: Solve for x
    x = 5,975,100.41/2,637.11
  6. Step 6: Final answer
    x = 2,265.78

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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.