Home / 3,499.54-5,245.97-1,307.68

Finding the Fourth Proportional to 3,499.54, 5,245.97 and 1,307.68

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Solution

The fourth proportional to 3,499.54, 5,245.97 and 1,307.68 is: 1,960.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,499.54 : 5,245.97 = 1,307.68 : x
  2. Step 2: Convert to fraction form
    3,499.54/5,245.97 = 1,307.68/x
  3. Step 3: Cross multiply
    3,499.54x = 5,245.97 × 1,307.68
  4. Step 4: Simplify right side
    3,499.54x = 6,860,030.40
  5. Step 5: Solve for x
    x = 6,860,030.40/3,499.54
  6. Step 6: Final answer
    x = 1,960.27

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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.