Home / 3,719.06-5,577.14-1,085.68

Finding the Fourth Proportional to 3,719.06, 5,577.14 and 1,085.68

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Solution

The fourth proportional to 3,719.06, 5,577.14 and 1,085.68 is: 1,628.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,719.06 : 5,577.14 = 1,085.68 : x
  2. Step 2: Convert to fraction form
    3,719.06/5,577.14 = 1,085.68/x
  3. Step 3: Cross multiply
    3,719.06x = 5,577.14 × 1,085.68
  4. Step 4: Simplify right side
    3,719.06x = 6,054,989.36
  5. Step 5: Solve for x
    x = 6,054,989.36/3,719.06
  6. Step 6: Final answer
    x = 1,628.10

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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.