Home / 2,127.30-3,175.80-1,799.16

Finding the Fourth Proportional to 2,127.30, 3,175.80 and 1,799.16

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Solution

The fourth proportional to 2,127.30, 3,175.80 and 1,799.16 is: 2,685.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127.30 : 3,175.80 = 1,799.16 : x
  2. Step 2: Convert to fraction form
    2,127.30/3,175.80 = 1,799.16/x
  3. Step 3: Cross multiply
    2,127.30x = 3,175.80 × 1,799.16
  4. Step 4: Simplify right side
    2,127.30x = 5,713,772.33
  5. Step 5: Solve for x
    x = 5,713,772.33/2,127.30
  6. Step 6: Final answer
    x = 2,685.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.