Home / 3,340.81-5,009.64-1,954.57

Finding the Fourth Proportional to 3,340.81, 5,009.64 and 1,954.57

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Solution

The fourth proportional to 3,340.81, 5,009.64 and 1,954.57 is: 2,930.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,340.81 : 5,009.64 = 1,954.57 : x
  2. Step 2: Convert to fraction form
    3,340.81/5,009.64 = 1,954.57/x
  3. Step 3: Cross multiply
    3,340.81x = 5,009.64 × 1,954.57
  4. Step 4: Simplify right side
    3,340.81x = 9,791,692.05
  5. Step 5: Solve for x
    x = 9,791,692.05/3,340.81
  6. Step 6: Final answer
    x = 2,930.93

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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.