Home / 3,040.70-4,557.80-2,172.38

Finding the Fourth Proportional to 3,040.70, 4,557.80 and 2,172.38

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Solution

The fourth proportional to 3,040.70, 4,557.80 and 2,172.38 is: 3,256.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,040.70 : 4,557.80 = 2,172.38 : x
  2. Step 2: Convert to fraction form
    3,040.70/4,557.80 = 2,172.38/x
  3. Step 3: Cross multiply
    3,040.70x = 4,557.80 × 2,172.38
  4. Step 4: Simplify right side
    3,040.70x = 9,901,273.56
  5. Step 5: Solve for x
    x = 9,901,273.56/3,040.70
  6. Step 6: Final answer
    x = 3,256.25

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1.5x scale

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.