Home / 2,845.34-3,926.57-1,725.99

Finding the Fourth Proportional to 2,845.34, 3,926.57 and 1,725.99

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Solution

The fourth proportional to 2,845.34, 3,926.57 and 1,725.99 is: 2,381.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,845.34 : 3,926.57 = 1,725.99 : x
  2. Step 2: Convert to fraction form
    2,845.34/3,926.57 = 1,725.99/x
  3. Step 3: Cross multiply
    2,845.34x = 3,926.57 × 1,725.99
  4. Step 4: Simplify right side
    2,845.34x = 6,777,220.55
  5. Step 5: Solve for x
    x = 6,777,220.55/2,845.34
  6. Step 6: Final answer
    x = 2,381.87

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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.