Home / 2,715.21-3,743.70-2,294.82

Finding the Fourth Proportional to 2,715.21, 3,743.70 and 2,294.82

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Solution

The fourth proportional to 2,715.21, 3,743.70 and 2,294.82 is: 3,164.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,715.21 : 3,743.70 = 2,294.82 : x
  2. Step 2: Convert to fraction form
    2,715.21/3,743.70 = 2,294.82/x
  3. Step 3: Cross multiply
    2,715.21x = 3,743.70 × 2,294.82
  4. Step 4: Simplify right side
    2,715.21x = 8,591,117.63
  5. Step 5: Solve for x
    x = 8,591,117.63/2,715.21
  6. Step 6: Final answer
    x = 3,164.07

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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.