Home / 2,715.23-3,749.33-1,722.27

Finding the Fourth Proportional to 2,715.23, 3,749.33 and 1,722.27

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Solution

The fourth proportional to 2,715.23, 3,749.33 and 1,722.27 is: 2,378.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,715.23 : 3,749.33 = 1,722.27 : x
  2. Step 2: Convert to fraction form
    2,715.23/3,749.33 = 1,722.27/x
  3. Step 3: Cross multiply
    2,715.23x = 3,749.33 × 1,722.27
  4. Step 4: Simplify right side
    2,715.23x = 6,457,349.97
  5. Step 5: Solve for x
    x = 6,457,349.97/2,715.23
  6. Step 6: Final answer
    x = 2,378.20

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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.