Home / 3,461.13-5,190.66-1,816.79

Finding the Fourth Proportional to 3,461.13, 5,190.66 and 1,816.79

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Solution

The fourth proportional to 3,461.13, 5,190.66 and 1,816.79 is: 2,724.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,461.13 : 5,190.66 = 1,816.79 : x
  2. Step 2: Convert to fraction form
    3,461.13/5,190.66 = 1,816.79/x
  3. Step 3: Cross multiply
    3,461.13x = 5,190.66 × 1,816.79
  4. Step 4: Simplify right side
    3,461.13x = 9,430,313.23
  5. Step 5: Solve for x
    x = 9,430,313.23/3,461.13
  6. Step 6: Final answer
    x = 2,724.63

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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.