Home / 2,192.42-3,025.41-1,248.08

Finding the Fourth Proportional to 2,192.42, 3,025.41 and 1,248.08

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Solution

The fourth proportional to 2,192.42, 3,025.41 and 1,248.08 is: 1,722.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,192.42 : 3,025.41 = 1,248.08 : x
  2. Step 2: Convert to fraction form
    2,192.42/3,025.41 = 1,248.08/x
  3. Step 3: Cross multiply
    2,192.42x = 3,025.41 × 1,248.08
  4. Step 4: Simplify right side
    2,192.42x = 3,775,953.71
  5. Step 5: Solve for x
    x = 3,775,953.71/2,192.42
  6. Step 6: Final answer
    x = 1,722.28

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1.5x scale

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.