Home / 2,774.07-3,828.55-1,579.34

Finding the Fourth Proportional to 2,774.07, 3,828.55 and 1,579.34

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Solution

The fourth proportional to 2,774.07, 3,828.55 and 1,579.34 is: 2,179.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,774.07 : 3,828.55 = 1,579.34 : x
  2. Step 2: Convert to fraction form
    2,774.07/3,828.55 = 1,579.34/x
  3. Step 3: Cross multiply
    2,774.07x = 3,828.55 × 1,579.34
  4. Step 4: Simplify right side
    2,774.07x = 6,046,587.78
  5. Step 5: Solve for x
    x = 6,046,587.78/2,774.07
  6. Step 6: Final answer
    x = 2,179.68

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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.