Home / 2,863.24-3,954.96-1,977.52

Finding the Fourth Proportional to 2,863.24, 3,954.96 and 1,977.52

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Solution

The fourth proportional to 2,863.24, 3,954.96 and 1,977.52 is: 2,731.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,863.24 : 3,954.96 = 1,977.52 : x
  2. Step 2: Convert to fraction form
    2,863.24/3,954.96 = 1,977.52/x
  3. Step 3: Cross multiply
    2,863.24x = 3,954.96 × 1,977.52
  4. Step 4: Simplify right side
    2,863.24x = 7,821,012.50
  5. Step 5: Solve for x
    x = 7,821,012.50/2,863.24
  6. Step 6: Final answer
    x = 2,731.53

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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.