Home / 2,004.11-2,990.84-1,785.41

Finding the Fourth Proportional to 2,004.11, 2,990.84 and 1,785.41

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Solution

The fourth proportional to 2,004.11, 2,990.84 and 1,785.41 is: 2,664.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,004.11 : 2,990.84 = 1,785.41 : x
  2. Step 2: Convert to fraction form
    2,004.11/2,990.84 = 1,785.41/x
  3. Step 3: Cross multiply
    2,004.11x = 2,990.84 × 1,785.41
  4. Step 4: Simplify right side
    2,004.11x = 5,339,851.76
  5. Step 5: Solve for x
    x = 5,339,851.76/2,004.11
  6. Step 6: Final answer
    x = 2,664.46

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.