Home / 3,461.46-5,192.87-1,270.20

Finding the Fourth Proportional to 3,461.46, 5,192.87 and 1,270.20

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Solution

The fourth proportional to 3,461.46, 5,192.87 and 1,270.20 is: 1,905.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,461.46 : 5,192.87 = 1,270.20 : x
  2. Step 2: Convert to fraction form
    3,461.46/5,192.87 = 1,270.20/x
  3. Step 3: Cross multiply
    3,461.46x = 5,192.87 × 1,270.20
  4. Step 4: Simplify right side
    3,461.46x = 6,595,996.60
  5. Step 5: Solve for x
    x = 6,595,996.60/3,461.46
  6. Step 6: Final answer
    x = 1,905.56

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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.