Home / 3,114.73-4,672.05-1,265.80

Finding the Fourth Proportional to 3,114.73, 4,672.05 and 1,265.80

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Solution

The fourth proportional to 3,114.73, 4,672.05 and 1,265.80 is: 1,898.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,114.73 : 4,672.05 = 1,265.80 : x
  2. Step 2: Convert to fraction form
    3,114.73/4,672.05 = 1,265.80/x
  3. Step 3: Cross multiply
    3,114.73x = 4,672.05 × 1,265.80
  4. Step 4: Simplify right side
    3,114.73x = 5,913,880.89
  5. Step 5: Solve for x
    x = 5,913,880.89/3,114.73
  6. Step 6: Final answer
    x = 1,898.68

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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.