Home / 3,688.74-5,090.38-2,010.17

Finding the Fourth Proportional to 3,688.74, 5,090.38 and 2,010.17

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Solution

The fourth proportional to 3,688.74, 5,090.38 and 2,010.17 is: 2,773.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,688.74 : 5,090.38 = 2,010.17 : x
  2. Step 2: Convert to fraction form
    3,688.74/5,090.38 = 2,010.17/x
  3. Step 3: Cross multiply
    3,688.74x = 5,090.38 × 2,010.17
  4. Step 4: Simplify right side
    3,688.74x = 10,232,536.87
  5. Step 5: Solve for x
    x = 10,232,536.87/3,688.74
  6. Step 6: Final answer
    x = 2,773.99

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1.5x scale

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.