Home / 3,719.16-5,577.84-1,122.30

Finding the Fourth Proportional to 3,719.16, 5,577.84 and 1,122.30

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Solution

The fourth proportional to 3,719.16, 5,577.84 and 1,122.30 is: 1,683.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,719.16 : 5,577.84 = 1,122.30 : x
  2. Step 2: Convert to fraction form
    3,719.16/5,577.84 = 1,122.30/x
  3. Step 3: Cross multiply
    3,719.16x = 5,577.84 × 1,122.30
  4. Step 4: Simplify right side
    3,719.16x = 6,260,009.83
  5. Step 5: Solve for x
    x = 6,260,009.83/3,719.16
  6. Step 6: Final answer
    x = 1,683.18

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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.