Home / 2,636.31-3,637.62-1,517.01

Finding the Fourth Proportional to 2,636.31, 3,637.62 and 1,517.01

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Solution

The fourth proportional to 2,636.31, 3,637.62 and 1,517.01 is: 2,093.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,636.31 : 3,637.62 = 1,517.01 : x
  2. Step 2: Convert to fraction form
    2,636.31/3,637.62 = 1,517.01/x
  3. Step 3: Cross multiply
    2,636.31x = 3,637.62 × 1,517.01
  4. Step 4: Simplify right side
    2,636.31x = 5,518,305.92
  5. Step 5: Solve for x
    x = 5,518,305.92/2,636.31
  6. Step 6: Final answer
    x = 2,093.19

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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.