Home / 1,683.11-2,539.85-1,622.09

Finding the Fourth Proportional to 1,683.11, 2,539.85 and 1,622.09

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Solution

The fourth proportional to 1,683.11, 2,539.85 and 1,622.09 is: 2,447.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683.11 : 2,539.85 = 1,622.09 : x
  2. Step 2: Convert to fraction form
    1,683.11/2,539.85 = 1,622.09/x
  3. Step 3: Cross multiply
    1,683.11x = 2,539.85 × 1,622.09
  4. Step 4: Simplify right side
    1,683.11x = 4,119,865.29
  5. Step 5: Solve for x
    x = 4,119,865.29/1,683.11
  6. Step 6: Final answer
    x = 2,447.77

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.