Home / 3,519.77-5,278.87-1,054.28

Finding the Fourth Proportional to 3,519.77, 5,278.87 and 1,054.28

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Solution

The fourth proportional to 3,519.77, 5,278.87 and 1,054.28 is: 1,581.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,519.77 : 5,278.87 = 1,054.28 : x
  2. Step 2: Convert to fraction form
    3,519.77/5,278.87 = 1,054.28/x
  3. Step 3: Cross multiply
    3,519.77x = 5,278.87 × 1,054.28
  4. Step 4: Simplify right side
    3,519.77x = 5,565,380.67
  5. Step 5: Solve for x
    x = 5,565,380.67/3,519.77
  6. Step 6: Final answer
    x = 1,581.18

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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.