Home / 2,942.06-4,058.91-1,683.18

Finding the Fourth Proportional to 2,942.06, 4,058.91 and 1,683.18

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Solution

The fourth proportional to 2,942.06, 4,058.91 and 1,683.18 is: 2,322.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,942.06 : 4,058.91 = 1,683.18 : x
  2. Step 2: Convert to fraction form
    2,942.06/4,058.91 = 1,683.18/x
  3. Step 3: Cross multiply
    2,942.06x = 4,058.91 × 1,683.18
  4. Step 4: Simplify right side
    2,942.06x = 6,831,876.13
  5. Step 5: Solve for x
    x = 6,831,876.13/2,942.06
  6. Step 6: Final answer
    x = 2,322.14

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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.