Home / 2,942.15-4,059.72-1,683

Finding the Fourth Proportional to 2,942.15, 4,059.72 and 1,683

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Solution

The fourth proportional to 2,942.15, 4,059.72 and 1,683 is: 2,322.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,942.15 : 4,059.72 = 1,683 : x
  2. Step 2: Convert to fraction form
    2,942.15/4,059.72 = 1,683/x
  3. Step 3: Cross multiply
    2,942.15x = 4,059.72 × 1,683
  4. Step 4: Simplify right side
    2,942.15x = 6,832,508.76
  5. Step 5: Solve for x
    x = 6,832,508.76/2,942.15
  6. Step 6: Final answer
    x = 2,322.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.