Home / 1,354.80-1,844.52-1,350.60

Finding the Fourth Proportional to 1,354.80, 1,844.52 and 1,350.60

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Solution

The fourth proportional to 1,354.80, 1,844.52 and 1,350.60 is: 1,838.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,354.80 : 1,844.52 = 1,350.60 : x
  2. Step 2: Convert to fraction form
    1,354.80/1,844.52 = 1,350.60/x
  3. Step 3: Cross multiply
    1,354.80x = 1,844.52 × 1,350.60
  4. Step 4: Simplify right side
    1,354.80x = 2,491,208.71
  5. Step 5: Solve for x
    x = 2,491,208.71/1,354.80
  6. Step 6: Final answer
    x = 1,838.80

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.