Home / 2,011.38-3,009.48-1,358.88

Finding the Fourth Proportional to 2,011.38, 3,009.48 and 1,358.88

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Solution

The fourth proportional to 2,011.38, 3,009.48 and 1,358.88 is: 2,033.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,011.38 : 3,009.48 = 1,358.88 : x
  2. Step 2: Convert to fraction form
    2,011.38/3,009.48 = 1,358.88/x
  3. Step 3: Cross multiply
    2,011.38x = 3,009.48 × 1,358.88
  4. Step 4: Simplify right side
    2,011.38x = 4,089,522.18
  5. Step 5: Solve for x
    x = 4,089,522.18/2,011.38
  6. Step 6: Final answer
    x = 2,033.19

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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.