Home / 3,742.89-5,614.84-1,277.04

Finding the Fourth Proportional to 3,742.89, 5,614.84 and 1,277.04

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Solution

The fourth proportional to 3,742.89, 5,614.84 and 1,277.04 is: 1,915.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,742.89 : 5,614.84 = 1,277.04 : x
  2. Step 2: Convert to fraction form
    3,742.89/5,614.84 = 1,277.04/x
  3. Step 3: Cross multiply
    3,742.89x = 5,614.84 × 1,277.04
  4. Step 4: Simplify right side
    3,742.89x = 7,170,392.50
  5. Step 5: Solve for x
    x = 7,170,392.50/3,742.89
  6. Step 6: Final answer
    x = 1,915.74

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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.