Home / 2,948.81-4,073.29-2,166.95

Finding the Fourth Proportional to 2,948.81, 4,073.29 and 2,166.95

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Solution

The fourth proportional to 2,948.81, 4,073.29 and 2,166.95 is: 2,993.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,948.81 : 4,073.29 = 2,166.95 : x
  2. Step 2: Convert to fraction form
    2,948.81/4,073.29 = 2,166.95/x
  3. Step 3: Cross multiply
    2,948.81x = 4,073.29 × 2,166.95
  4. Step 4: Simplify right side
    2,948.81x = 8,826,620.53
  5. Step 5: Solve for x
    x = 8,826,620.53/2,948.81
  6. Step 6: Final answer
    x = 2,993.29

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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.