Home / 1,477.11-2,211.62-1,382.34

Finding the Fourth Proportional to 1,477.11, 2,211.62 and 1,382.34

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Solution

The fourth proportional to 1,477.11, 2,211.62 and 1,382.34 is: 2,069.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,477.11 : 2,211.62 = 1,382.34 : x
  2. Step 2: Convert to fraction form
    1,477.11/2,211.62 = 1,382.34/x
  3. Step 3: Cross multiply
    1,477.11x = 2,211.62 × 1,382.34
  4. Step 4: Simplify right side
    1,477.11x = 3,057,203.88
  5. Step 5: Solve for x
    x = 3,057,203.88/1,477.11
  6. Step 6: Final answer
    x = 2,069.72

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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.