Home / 2,098.03-3,147.19-637.30

Finding the Fourth Proportional to 2,098.03, 3,147.19 and 637.30

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Solution

The fourth proportional to 2,098.03, 3,147.19 and 637.30 is: 955.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,098.03 : 3,147.19 = 637.30 : x
  2. Step 2: Convert to fraction form
    2,098.03/3,147.19 = 637.30/x
  3. Step 3: Cross multiply
    2,098.03x = 3,147.19 × 637.30
  4. Step 4: Simplify right side
    2,098.03x = 2,005,704.19
  5. Step 5: Solve for x
    x = 2,005,704.19/2,098.03
  6. Step 6: Final answer
    x = 955.99

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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.