Home / 2,550.80-3,823.40-1,316.58

Finding the Fourth Proportional to 2,550.80, 3,823.40 and 1,316.58

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Solution

The fourth proportional to 2,550.80, 3,823.40 and 1,316.58 is: 1,973.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,550.80 : 3,823.40 = 1,316.58 : x
  2. Step 2: Convert to fraction form
    2,550.80/3,823.40 = 1,316.58/x
  3. Step 3: Cross multiply
    2,550.80x = 3,823.40 × 1,316.58
  4. Step 4: Simplify right side
    2,550.80x = 5,033,811.97
  5. Step 5: Solve for x
    x = 5,033,811.97/2,550.80
  6. Step 6: Final answer
    x = 1,973.42

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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.