Home / 2,918.28-4,027.27-1,723.17

Finding the Fourth Proportional to 2,918.28, 4,027.27 and 1,723.17

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Solution

The fourth proportional to 2,918.28, 4,027.27 and 1,723.17 is: 2,378.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918.28 : 4,027.27 = 1,723.17 : x
  2. Step 2: Convert to fraction form
    2,918.28/4,027.27 = 1,723.17/x
  3. Step 3: Cross multiply
    2,918.28x = 4,027.27 × 1,723.17
  4. Step 4: Simplify right side
    2,918.28x = 6,939,684.87
  5. Step 5: Solve for x
    x = 6,939,684.87/2,918.28
  6. Step 6: Final answer
    x = 2,378.01

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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.