Home / 3,255.89-4,883.85-1,307.63

Finding the Fourth Proportional to 3,255.89, 4,883.85 and 1,307.63

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Solution

The fourth proportional to 3,255.89, 4,883.85 and 1,307.63 is: 1,961.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,255.89 : 4,883.85 = 1,307.63 : x
  2. Step 2: Convert to fraction form
    3,255.89/4,883.85 = 1,307.63/x
  3. Step 3: Cross multiply
    3,255.89x = 4,883.85 × 1,307.63
  4. Step 4: Simplify right side
    3,255.89x = 6,386,244.36
  5. Step 5: Solve for x
    x = 6,386,244.36/3,255.89
  6. Step 6: Final answer
    x = 1,961.45

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1.5x scale

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.