Home / 3,499.77-5,245.20-1,857.09

Finding the Fourth Proportional to 3,499.77, 5,245.20 and 1,857.09

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Solution

The fourth proportional to 3,499.77, 5,245.20 and 1,857.09 is: 2,783.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,499.77 : 5,245.20 = 1,857.09 : x
  2. Step 2: Convert to fraction form
    3,499.77/5,245.20 = 1,857.09/x
  3. Step 3: Cross multiply
    3,499.77x = 5,245.20 × 1,857.09
  4. Step 4: Simplify right side
    3,499.77x = 9,740,808.47
  5. Step 5: Solve for x
    x = 9,740,808.47/3,499.77
  6. Step 6: Final answer
    x = 2,783.27

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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.