Home / 1,922.16-2,650.10-1,258.77

Finding the Fourth Proportional to 1,922.16, 2,650.10 and 1,258.77

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Solution

The fourth proportional to 1,922.16, 2,650.10 and 1,258.77 is: 1,735.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,922.16 : 2,650.10 = 1,258.77 : x
  2. Step 2: Convert to fraction form
    1,922.16/2,650.10 = 1,258.77/x
  3. Step 3: Cross multiply
    1,922.16x = 2,650.10 × 1,258.77
  4. Step 4: Simplify right side
    1,922.16x = 3,335,866.38
  5. Step 5: Solve for x
    x = 3,335,866.38/1,922.16
  6. Step 6: Final answer
    x = 1,735.48

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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.