Home / 3,673.71-5,070.60-2,102.72

Finding the Fourth Proportional to 3,673.71, 5,070.60 and 2,102.72

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Solution

The fourth proportional to 3,673.71, 5,070.60 and 2,102.72 is: 2,902.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,673.71 : 5,070.60 = 2,102.72 : x
  2. Step 2: Convert to fraction form
    3,673.71/5,070.60 = 2,102.72/x
  3. Step 3: Cross multiply
    3,673.71x = 5,070.60 × 2,102.72
  4. Step 4: Simplify right side
    3,673.71x = 10,662,026.68
  5. Step 5: Solve for x
    x = 10,662,026.68/3,673.71
  6. Step 6: Final answer
    x = 2,902.25

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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.