Home / 1,474.36-2,211.60-550.15

Finding the Fourth Proportional to 1,474.36, 2,211.60 and 550.15

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Solution

The fourth proportional to 1,474.36, 2,211.60 and 550.15 is: 825.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,474.36 : 2,211.60 = 550.15 : x
  2. Step 2: Convert to fraction form
    1,474.36/2,211.60 = 550.15/x
  3. Step 3: Cross multiply
    1,474.36x = 2,211.60 × 550.15
  4. Step 4: Simplify right side
    1,474.36x = 1,216,711.74
  5. Step 5: Solve for x
    x = 1,216,711.74/1,474.36
  6. Step 6: Final answer
    x = 825.25

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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.