Home / 3,451.31-5,177.09-1,111.00

Finding the Fourth Proportional to 3,451.31, 5,177.09 and 1,111.00

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Solution

The fourth proportional to 3,451.31, 5,177.09 and 1,111.00 is: 1,666.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,451.31 : 5,177.09 = 1,111.00 : x
  2. Step 2: Convert to fraction form
    3,451.31/5,177.09 = 1,111.00/x
  3. Step 3: Cross multiply
    3,451.31x = 5,177.09 × 1,111.00
  4. Step 4: Simplify right side
    3,451.31x = 5,751,728.49
  5. Step 5: Solve for x
    x = 5,751,728.49/3,451.31
  6. Step 6: Final answer
    x = 1,666.54

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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.