Home / 3,674.62-5,070.90-2,102.68

Finding the Fourth Proportional to 3,674.62, 5,070.90 and 2,102.68

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Solution

The fourth proportional to 3,674.62, 5,070.90 and 2,102.68 is: 2,901.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,674.62 : 5,070.90 = 2,102.68 : x
  2. Step 2: Convert to fraction form
    3,674.62/5,070.90 = 2,102.68/x
  3. Step 3: Cross multiply
    3,674.62x = 5,070.90 × 2,102.68
  4. Step 4: Simplify right side
    3,674.62x = 10,662,480.01
  5. Step 5: Solve for x
    x = 10,662,480.01/3,674.62
  6. Step 6: Final answer
    x = 2,901.66

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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.