Home / 3,103.04-4,648.36-1,869.80

Finding the Fourth Proportional to 3,103.04, 4,648.36 and 1,869.80

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Solution

The fourth proportional to 3,103.04, 4,648.36 and 1,869.80 is: 2,800.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,103.04 : 4,648.36 = 1,869.80 : x
  2. Step 2: Convert to fraction form
    3,103.04/4,648.36 = 1,869.80/x
  3. Step 3: Cross multiply
    3,103.04x = 4,648.36 × 1,869.80
  4. Step 4: Simplify right side
    3,103.04x = 8,691,503.53
  5. Step 5: Solve for x
    x = 8,691,503.53/3,103.04
  6. Step 6: Final answer
    x = 2,800.96

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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.