Home / 2,862.68-3,950.58-1,603.73

Finding the Fourth Proportional to 2,862.68, 3,950.58 and 1,603.73

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Solution

The fourth proportional to 2,862.68, 3,950.58 and 1,603.73 is: 2,213.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,862.68 : 3,950.58 = 1,603.73 : x
  2. Step 2: Convert to fraction form
    2,862.68/3,950.58 = 1,603.73/x
  3. Step 3: Cross multiply
    2,862.68x = 3,950.58 × 1,603.73
  4. Step 4: Simplify right side
    2,862.68x = 6,335,679.55
  5. Step 5: Solve for x
    x = 6,335,679.55/2,862.68
  6. Step 6: Final answer
    x = 2,213.20

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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.