Home / 2,187.20-3,021.44-1,744.54

Finding the Fourth Proportional to 2,187.20, 3,021.44 and 1,744.54

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Solution

The fourth proportional to 2,187.20, 3,021.44 and 1,744.54 is: 2,409.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187.20 : 3,021.44 = 1,744.54 : x
  2. Step 2: Convert to fraction form
    2,187.20/3,021.44 = 1,744.54/x
  3. Step 3: Cross multiply
    2,187.20x = 3,021.44 × 1,744.54
  4. Step 4: Simplify right side
    2,187.20x = 5,271,006.66
  5. Step 5: Solve for x
    x = 5,271,006.66/2,187.20
  6. Step 6: Final answer
    x = 2,409.93

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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.