Home / 3,688.93-5,090.58-2,010.31

Finding the Fourth Proportional to 3,688.93, 5,090.58 and 2,010.31

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Solution

The fourth proportional to 3,688.93, 5,090.58 and 2,010.31 is: 2,774.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,688.93 : 5,090.58 = 2,010.31 : x
  2. Step 2: Convert to fraction form
    3,688.93/5,090.58 = 2,010.31/x
  3. Step 3: Cross multiply
    3,688.93x = 5,090.58 × 2,010.31
  4. Step 4: Simplify right side
    3,688.93x = 10,233,643.88
  5. Step 5: Solve for x
    x = 10,233,643.88/3,688.93
  6. Step 6: Final answer
    x = 2,774.15

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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.