Home / 2,784.36-3,835.74-2,342.28

Finding the Fourth Proportional to 2,784.36, 3,835.74 and 2,342.28

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Solution

The fourth proportional to 2,784.36, 3,835.74 and 2,342.28 is: 3,226.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,784.36 : 3,835.74 = 2,342.28 : x
  2. Step 2: Convert to fraction form
    2,784.36/3,835.74 = 2,342.28/x
  3. Step 3: Cross multiply
    2,784.36x = 3,835.74 × 2,342.28
  4. Step 4: Simplify right side
    2,784.36x = 8,984,377.09
  5. Step 5: Solve for x
    x = 8,984,377.09/2,784.36
  6. Step 6: Final answer
    x = 3,226.73

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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.