Home / 2,877.75-4,314.06-1,643.38

Finding the Fourth Proportional to 2,877.75, 4,314.06 and 1,643.38

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Solution

The fourth proportional to 2,877.75, 4,314.06 and 1,643.38 is: 2,463.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,877.75 : 4,314.06 = 1,643.38 : x
  2. Step 2: Convert to fraction form
    2,877.75/4,314.06 = 1,643.38/x
  3. Step 3: Cross multiply
    2,877.75x = 4,314.06 × 1,643.38
  4. Step 4: Simplify right side
    2,877.75x = 7,089,629.14
  5. Step 5: Solve for x
    x = 7,089,629.14/2,877.75
  6. Step 6: Final answer
    x = 2,463.60

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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.