Home / 2,784.28-4,173.72-1,550.56

Finding the Fourth Proportional to 2,784.28, 4,173.72 and 1,550.56

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Solution

The fourth proportional to 2,784.28, 4,173.72 and 1,550.56 is: 2,324.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,784.28 : 4,173.72 = 1,550.56 : x
  2. Step 2: Convert to fraction form
    2,784.28/4,173.72 = 1,550.56/x
  3. Step 3: Cross multiply
    2,784.28x = 4,173.72 × 1,550.56
  4. Step 4: Simplify right side
    2,784.28x = 6,471,603.28
  5. Step 5: Solve for x
    x = 6,471,603.28/2,784.28
  6. Step 6: Final answer
    x = 2,324.34

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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.