Home / 2,011.09-3,012.02-1,395.23

Finding the Fourth Proportional to 2,011.09, 3,012.02 and 1,395.23

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Solution

The fourth proportional to 2,011.09, 3,012.02 and 1,395.23 is: 2,089.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,011.09 : 3,012.02 = 1,395.23 : x
  2. Step 2: Convert to fraction form
    2,011.09/3,012.02 = 1,395.23/x
  3. Step 3: Cross multiply
    2,011.09x = 3,012.02 × 1,395.23
  4. Step 4: Simplify right side
    2,011.09x = 4,202,460.66
  5. Step 5: Solve for x
    x = 4,202,460.66/2,011.09
  6. Step 6: Final answer
    x = 2,089.64

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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.