Home / 3,255.30-4,883.16-1,307.28

Finding the Fourth Proportional to 3,255.30, 4,883.16 and 1,307.28

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Solution

The fourth proportional to 3,255.30, 4,883.16 and 1,307.28 is: 1,961.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,255.30 : 4,883.16 = 1,307.28 : x
  2. Step 2: Convert to fraction form
    3,255.30/4,883.16 = 1,307.28/x
  3. Step 3: Cross multiply
    3,255.30x = 4,883.16 × 1,307.28
  4. Step 4: Simplify right side
    3,255.30x = 6,383,657.40
  5. Step 5: Solve for x
    x = 6,383,657.40/3,255.30
  6. Step 6: Final answer
    x = 1,961.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.