Home / 2,550.66-3,821.54-1,816.40

Finding the Fourth Proportional to 2,550.66, 3,821.54 and 1,816.40

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Solution

The fourth proportional to 2,550.66, 3,821.54 and 1,816.40 is: 2,721.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,550.66 : 3,821.54 = 1,816.40 : x
  2. Step 2: Convert to fraction form
    2,550.66/3,821.54 = 1,816.40/x
  3. Step 3: Cross multiply
    2,550.66x = 3,821.54 × 1,816.40
  4. Step 4: Simplify right side
    2,550.66x = 6,941,417.07
  5. Step 5: Solve for x
    x = 6,941,417.07/2,550.66
  6. Step 6: Final answer
    x = 2,721.42

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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.