Home / 3,125.21-4,313.87-1,799.44

Finding the Fourth Proportional to 3,125.21, 4,313.87 and 1,799.44

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Solution

The fourth proportional to 3,125.21, 4,313.87 and 1,799.44 is: 2,483.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.21 : 4,313.87 = 1,799.44 : x
  2. Step 2: Convert to fraction form
    3,125.21/4,313.87 = 1,799.44/x
  3. Step 3: Cross multiply
    3,125.21x = 4,313.87 × 1,799.44
  4. Step 4: Simplify right side
    3,125.21x = 7,762,554.73
  5. Step 5: Solve for x
    x = 7,762,554.73/3,125.21
  6. Step 6: Final answer
    x = 2,483.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.