Home / 3,255.12-4,884.30-1,307.34

Finding the Fourth Proportional to 3,255.12, 4,884.30 and 1,307.34

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Solution

The fourth proportional to 3,255.12, 4,884.30 and 1,307.34 is: 1,961.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,255.12 : 4,884.30 = 1,307.34 : x
  2. Step 2: Convert to fraction form
    3,255.12/4,884.30 = 1,307.34/x
  3. Step 3: Cross multiply
    3,255.12x = 4,884.30 × 1,307.34
  4. Step 4: Simplify right side
    3,255.12x = 6,385,440.76
  5. Step 5: Solve for x
    x = 6,385,440.76/3,255.12
  6. Step 6: Final answer
    x = 1,961.66

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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.