Home / 2,722.31-4,078.59-1,551.05

Finding the Fourth Proportional to 2,722.31, 4,078.59 and 1,551.05

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Solution

The fourth proportional to 2,722.31, 4,078.59 and 1,551.05 is: 2,323.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,722.31 : 4,078.59 = 1,551.05 : x
  2. Step 2: Convert to fraction form
    2,722.31/4,078.59 = 1,551.05/x
  3. Step 3: Cross multiply
    2,722.31x = 4,078.59 × 1,551.05
  4. Step 4: Simplify right side
    2,722.31x = 6,326,097.02
  5. Step 5: Solve for x
    x = 6,326,097.02/2,722.31
  6. Step 6: Final answer
    x = 2,323.80

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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.