Home / 2,955.38-4,078.82-1,907.24

Finding the Fourth Proportional to 2,955.38, 4,078.82 and 1,907.24

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Solution

The fourth proportional to 2,955.38, 4,078.82 and 1,907.24 is: 2,632.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,955.38 : 4,078.82 = 1,907.24 : x
  2. Step 2: Convert to fraction form
    2,955.38/4,078.82 = 1,907.24/x
  3. Step 3: Cross multiply
    2,955.38x = 4,078.82 × 1,907.24
  4. Step 4: Simplify right side
    2,955.38x = 7,779,273.03
  5. Step 5: Solve for x
    x = 7,779,273.03/2,955.38
  6. Step 6: Final answer
    x = 2,632.25

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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.