Home / 1,258.20-1,735.56-944.28

Finding the Fourth Proportional to 1,258.20, 1,735.56 and 944.28

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Solution

The fourth proportional to 1,258.20, 1,735.56 and 944.28 is: 1,302.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258.20 : 1,735.56 = 944.28 : x
  2. Step 2: Convert to fraction form
    1,258.20/1,735.56 = 944.28/x
  3. Step 3: Cross multiply
    1,258.20x = 1,735.56 × 944.28
  4. Step 4: Simplify right side
    1,258.20x = 1,638,854.60
  5. Step 5: Solve for x
    x = 1,638,854.60/1,258.20
  6. Step 6: Final answer
    x = 1,302.54

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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.