Home / 3,103.70-4,658.87-1,256.02

Finding the Fourth Proportional to 3,103.70, 4,658.87 and 1,256.02

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Solution

The fourth proportional to 3,103.70, 4,658.87 and 1,256.02 is: 1,885.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,103.70 : 4,658.87 = 1,256.02 : x
  2. Step 2: Convert to fraction form
    3,103.70/4,658.87 = 1,256.02/x
  3. Step 3: Cross multiply
    3,103.70x = 4,658.87 × 1,256.02
  4. Step 4: Simplify right side
    3,103.70x = 5,851,644.53
  5. Step 5: Solve for x
    x = 5,851,644.53/3,103.70
  6. Step 6: Final answer
    x = 1,885.38

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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.