Home / 3,386.28-5,078.58-2,297.40

Finding the Fourth Proportional to 3,386.28, 5,078.58 and 2,297.40

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Solution

The fourth proportional to 3,386.28, 5,078.58 and 2,297.40 is: 3,445.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,386.28 : 5,078.58 = 2,297.40 : x
  2. Step 2: Convert to fraction form
    3,386.28/5,078.58 = 2,297.40/x
  3. Step 3: Cross multiply
    3,386.28x = 5,078.58 × 2,297.40
  4. Step 4: Simplify right side
    3,386.28x = 11,667,529.69
  5. Step 5: Solve for x
    x = 11,667,529.69/3,386.28
  6. Step 6: Final answer
    x = 3,445.53

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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.