Home / 2,192.08-3,278.13-1,637.18

Finding the Fourth Proportional to 2,192.08, 3,278.13 and 1,637.18

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Solution

The fourth proportional to 2,192.08, 3,278.13 and 1,637.18 is: 2,448.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,192.08 : 3,278.13 = 1,637.18 : x
  2. Step 2: Convert to fraction form
    2,192.08/3,278.13 = 1,637.18/x
  3. Step 3: Cross multiply
    2,192.08x = 3,278.13 × 1,637.18
  4. Step 4: Simplify right side
    2,192.08x = 5,366,888.87
  5. Step 5: Solve for x
    x = 5,366,888.87/2,192.08
  6. Step 6: Final answer
    x = 2,448.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.