Home / 3,518.06-5,277.80-1,764.20

Finding the Fourth Proportional to 3,518.06, 5,277.80 and 1,764.20

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Solution

The fourth proportional to 3,518.06, 5,277.80 and 1,764.20 is: 2,646.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,518.06 : 5,277.80 = 1,764.20 : x
  2. Step 2: Convert to fraction form
    3,518.06/5,277.80 = 1,764.20/x
  3. Step 3: Cross multiply
    3,518.06x = 5,277.80 × 1,764.20
  4. Step 4: Simplify right side
    3,518.06x = 9,311,112.37
  5. Step 5: Solve for x
    x = 9,311,112.37/3,518.06
  6. Step 6: Final answer
    x = 2,646.66

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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.