Home / 4,071.10-6,106.65-2,102.80

Finding the Fourth Proportional to 4,071.10, 6,106.65 and 2,102.80

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Solution

The fourth proportional to 4,071.10, 6,106.65 and 2,102.80 is: 3,154.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,071.10 : 6,106.65 = 2,102.80 : x
  2. Step 2: Convert to fraction form
    4,071.10/6,106.65 = 2,102.80/x
  3. Step 3: Cross multiply
    4,071.10x = 6,106.65 × 2,102.80
  4. Step 4: Simplify right side
    4,071.10x = 12,841,063.62
  5. Step 5: Solve for x
    x = 12,841,063.62/4,071.10
  6. Step 6: Final answer
    x = 3,154.20

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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.