Home / 2,971.13-4,096.43-1,907.01

Finding the Fourth Proportional to 2,971.13, 4,096.43 and 1,907.01

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Solution

The fourth proportional to 2,971.13, 4,096.43 and 1,907.01 is: 2,629.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,971.13 : 4,096.43 = 1,907.01 : x
  2. Step 2: Convert to fraction form
    2,971.13/4,096.43 = 1,907.01/x
  3. Step 3: Cross multiply
    2,971.13x = 4,096.43 × 1,907.01
  4. Step 4: Simplify right side
    2,971.13x = 7,811,923.44
  5. Step 5: Solve for x
    x = 7,811,923.44/2,971.13
  6. Step 6: Final answer
    x = 2,629.28

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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.