Home / 2,192.49-3,027.67-1,407.90

Finding the Fourth Proportional to 2,192.49, 3,027.67 and 1,407.90

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Solution

The fourth proportional to 2,192.49, 3,027.67 and 1,407.90 is: 1,944.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,192.49 : 3,027.67 = 1,407.90 : x
  2. Step 2: Convert to fraction form
    2,192.49/3,027.67 = 1,407.90/x
  3. Step 3: Cross multiply
    2,192.49x = 3,027.67 × 1,407.90
  4. Step 4: Simplify right side
    2,192.49x = 4,262,653.07
  5. Step 5: Solve for x
    x = 4,262,653.07/2,192.49
  6. Step 6: Final answer
    x = 1,944.21

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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.