Home / 2,292.75-3,163.98-1,244.81

Finding the Fourth Proportional to 2,292.75, 3,163.98 and 1,244.81

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Solution

The fourth proportional to 2,292.75, 3,163.98 and 1,244.81 is: 1,717.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,292.75 : 3,163.98 = 1,244.81 : x
  2. Step 2: Convert to fraction form
    2,292.75/3,163.98 = 1,244.81/x
  3. Step 3: Cross multiply
    2,292.75x = 3,163.98 × 1,244.81
  4. Step 4: Simplify right side
    2,292.75x = 3,938,538.12
  5. Step 5: Solve for x
    x = 3,938,538.12/2,292.75
  6. Step 6: Final answer
    x = 1,717.82

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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.