Home / 3,114.74-4,672.23-1,265.81

Finding the Fourth Proportional to 3,114.74, 4,672.23 and 1,265.81

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Solution

The fourth proportional to 3,114.74, 4,672.23 and 1,265.81 is: 1,898.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,114.74 : 4,672.23 = 1,265.81 : x
  2. Step 2: Convert to fraction form
    3,114.74/4,672.23 = 1,265.81/x
  3. Step 3: Cross multiply
    3,114.74x = 4,672.23 × 1,265.81
  4. Step 4: Simplify right side
    3,114.74x = 5,914,155.46
  5. Step 5: Solve for x
    x = 5,914,155.46/3,114.74
  6. Step 6: Final answer
    x = 1,898.76

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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.