Home / 2,758.32-3,805.14-1,579.08

Finding the Fourth Proportional to 2,758.32, 3,805.14 and 1,579.08

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Solution

The fourth proportional to 2,758.32, 3,805.14 and 1,579.08 is: 2,178.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,758.32 : 3,805.14 = 1,579.08 : x
  2. Step 2: Convert to fraction form
    2,758.32/3,805.14 = 1,579.08/x
  3. Step 3: Cross multiply
    2,758.32x = 3,805.14 × 1,579.08
  4. Step 4: Simplify right side
    2,758.32x = 6,008,620.47
  5. Step 5: Solve for x
    x = 6,008,620.47/2,758.32
  6. Step 6: Final answer
    x = 2,178.36

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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.