Home / 3,707.31-5,119.49-2,383.32

Finding the Fourth Proportional to 3,707.31, 5,119.49 and 2,383.32

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Solution

The fourth proportional to 3,707.31, 5,119.49 and 2,383.32 is: 3,291.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,707.31 : 5,119.49 = 2,383.32 : x
  2. Step 2: Convert to fraction form
    3,707.31/5,119.49 = 2,383.32/x
  3. Step 3: Cross multiply
    3,707.31x = 5,119.49 × 2,383.32
  4. Step 4: Simplify right side
    3,707.31x = 12,201,388.87
  5. Step 5: Solve for x
    x = 12,201,388.87/3,707.31
  6. Step 6: Final answer
    x = 3,291.17

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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.