Home / 3,651.30-5,477.40-1,310.94

Finding the Fourth Proportional to 3,651.30, 5,477.40 and 1,310.94

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Solution

The fourth proportional to 3,651.30, 5,477.40 and 1,310.94 is: 1,966.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,651.30 : 5,477.40 = 1,310.94 : x
  2. Step 2: Convert to fraction form
    3,651.30/5,477.40 = 1,310.94/x
  3. Step 3: Cross multiply
    3,651.30x = 5,477.40 × 1,310.94
  4. Step 4: Simplify right side
    3,651.30x = 7,180,542.76
  5. Step 5: Solve for x
    x = 7,180,542.76/3,651.30
  6. Step 6: Final answer
    x = 1,966.57

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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.