Home / 2,685.25-3,706.05-1,637.92

Finding the Fourth Proportional to 2,685.25, 3,706.05 and 1,637.92

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Solution

The fourth proportional to 2,685.25, 3,706.05 and 1,637.92 is: 2,260.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,685.25 : 3,706.05 = 1,637.92 : x
  2. Step 2: Convert to fraction form
    2,685.25/3,706.05 = 1,637.92/x
  3. Step 3: Cross multiply
    2,685.25x = 3,706.05 × 1,637.92
  4. Step 4: Simplify right side
    2,685.25x = 6,070,213.42
  5. Step 5: Solve for x
    x = 6,070,213.42/2,685.25
  6. Step 6: Final answer
    x = 2,260.58

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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.