Home / 2,098.10-3,147.30-637.35

Finding the Fourth Proportional to 2,098.10, 3,147.30 and 637.35

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Solution

The fourth proportional to 2,098.10, 3,147.30 and 637.35 is: 956.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,098.10 : 3,147.30 = 637.35 : x
  2. Step 2: Convert to fraction form
    2,098.10/3,147.30 = 637.35/x
  3. Step 3: Cross multiply
    2,098.10x = 3,147.30 × 637.35
  4. Step 4: Simplify right side
    2,098.10x = 2,005,931.66
  5. Step 5: Solve for x
    x = 2,005,931.66/2,098.10
  6. Step 6: Final answer
    x = 956.07

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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.