Home / 2,013.02-3,020.13-1,191.68

Finding the Fourth Proportional to 2,013.02, 3,020.13 and 1,191.68

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Solution

The fourth proportional to 2,013.02, 3,020.13 and 1,191.68 is: 1,787.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,013.02 : 3,020.13 = 1,191.68 : x
  2. Step 2: Convert to fraction form
    2,013.02/3,020.13 = 1,191.68/x
  3. Step 3: Cross multiply
    2,013.02x = 3,020.13 × 1,191.68
  4. Step 4: Simplify right side
    2,013.02x = 3,599,028.52
  5. Step 5: Solve for x
    x = 3,599,028.52/2,013.02
  6. Step 6: Final answer
    x = 1,787.88

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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.