Home / 2,090.56-3,133.68-936.64

Finding the Fourth Proportional to 2,090.56, 3,133.68 and 936.64

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Solution

The fourth proportional to 2,090.56, 3,133.68 and 936.64 is: 1,403.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,090.56 : 3,133.68 = 936.64 : x
  2. Step 2: Convert to fraction form
    2,090.56/3,133.68 = 936.64/x
  3. Step 3: Cross multiply
    2,090.56x = 3,133.68 × 936.64
  4. Step 4: Simplify right side
    2,090.56x = 2,935,130.04
  5. Step 5: Solve for x
    x = 2,935,130.04/2,090.56
  6. Step 6: Final answer
    x = 1,403.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.