Home / 4,102.10-6,151.35-1,636.10

Finding the Fourth Proportional to 4,102.10, 6,151.35 and 1,636.10

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Solution

The fourth proportional to 4,102.10, 6,151.35 and 1,636.10 is: 2,453.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,102.10 : 6,151.35 = 1,636.10 : x
  2. Step 2: Convert to fraction form
    4,102.10/6,151.35 = 1,636.10/x
  3. Step 3: Cross multiply
    4,102.10x = 6,151.35 × 1,636.10
  4. Step 4: Simplify right side
    4,102.10x = 10,064,223.74
  5. Step 5: Solve for x
    x = 10,064,223.74/4,102.10
  6. Step 6: Final answer
    x = 2,453.43

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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.