Home / 3,461.24-5,190.90-1,610.49

Finding the Fourth Proportional to 3,461.24, 5,190.90 and 1,610.49

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Solution

The fourth proportional to 3,461.24, 5,190.90 and 1,610.49 is: 2,415.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,461.24 : 5,190.90 = 1,610.49 : x
  2. Step 2: Convert to fraction form
    3,461.24/5,190.90 = 1,610.49/x
  3. Step 3: Cross multiply
    3,461.24x = 5,190.90 × 1,610.49
  4. Step 4: Simplify right side
    3,461.24x = 8,359,892.54
  5. Step 5: Solve for x
    x = 8,359,892.54/3,461.24
  6. Step 6: Final answer
    x = 2,415.29

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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.