Home / 3,688.71-5,090.54-2,010.03

Finding the Fourth Proportional to 3,688.71, 5,090.54 and 2,010.03

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Solution

The fourth proportional to 3,688.71, 5,090.54 and 2,010.03 is: 2,773.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,688.71 : 5,090.54 = 2,010.03 : x
  2. Step 2: Convert to fraction form
    3,688.71/5,090.54 = 2,010.03/x
  3. Step 3: Cross multiply
    3,688.71x = 5,090.54 × 2,010.03
  4. Step 4: Simplify right side
    3,688.71x = 10,232,108.98
  5. Step 5: Solve for x
    x = 10,232,108.98/3,688.71
  6. Step 6: Final answer
    x = 2,773.90

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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.