Home / 3,688.95-5,090.68-2,010.37

Finding the Fourth Proportional to 3,688.95, 5,090.68 and 2,010.37

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Solution

The fourth proportional to 3,688.95, 5,090.68 and 2,010.37 is: 2,774.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,688.95 : 5,090.68 = 2,010.37 : x
  2. Step 2: Convert to fraction form
    3,688.95/5,090.68 = 2,010.37/x
  3. Step 3: Cross multiply
    3,688.95x = 5,090.68 × 2,010.37
  4. Step 4: Simplify right side
    3,688.95x = 10,234,149.68
  5. Step 5: Solve for x
    x = 10,234,149.68/3,688.95
  6. Step 6: Final answer
    x = 2,774.27

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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.