Home / 2,698.21-3,719.27-2,033.91

Finding the Fourth Proportional to 2,698.21, 3,719.27 and 2,033.91

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Solution

The fourth proportional to 2,698.21, 3,719.27 and 2,033.91 is: 2,803.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,698.21 : 3,719.27 = 2,033.91 : x
  2. Step 2: Convert to fraction form
    2,698.21/3,719.27 = 2,033.91/x
  3. Step 3: Cross multiply
    2,698.21x = 3,719.27 × 2,033.91
  4. Step 4: Simplify right side
    2,698.21x = 7,564,654.09
  5. Step 5: Solve for x
    x = 7,564,654.09/2,698.21
  6. Step 6: Final answer
    x = 2,803.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.