Home / 1,922.41-2,653.36-1,258.88

Finding the Fourth Proportional to 1,922.41, 2,653.36 and 1,258.88

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Solution

The fourth proportional to 1,922.41, 2,653.36 and 1,258.88 is: 1,737.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,922.41 : 2,653.36 = 1,258.88 : x
  2. Step 2: Convert to fraction form
    1,922.41/2,653.36 = 1,258.88/x
  3. Step 3: Cross multiply
    1,922.41x = 2,653.36 × 1,258.88
  4. Step 4: Simplify right side
    1,922.41x = 3,340,261.75
  5. Step 5: Solve for x
    x = 3,340,261.75/1,922.41
  6. Step 6: Final answer
    x = 1,737.54

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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.