Home / 3,028.35-4,177.42-1,907.37

Finding the Fourth Proportional to 3,028.35, 4,177.42 and 1,907.37

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Solution

The fourth proportional to 3,028.35, 4,177.42 and 1,907.37 is: 2,631.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,028.35 : 4,177.42 = 1,907.37 : x
  2. Step 2: Convert to fraction form
    3,028.35/4,177.42 = 1,907.37/x
  3. Step 3: Cross multiply
    3,028.35x = 4,177.42 × 1,907.37
  4. Step 4: Simplify right side
    3,028.35x = 7,967,885.59
  5. Step 5: Solve for x
    x = 7,967,885.59/3,028.35
  6. Step 6: Final answer
    x = 2,631.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.