Home / 2,971.16-4,098.41-1,908.57

Finding the Fourth Proportional to 2,971.16, 4,098.41 and 1,908.57

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Solution

The fourth proportional to 2,971.16, 4,098.41 and 1,908.57 is: 2,632.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,971.16 : 4,098.41 = 1,908.57 : x
  2. Step 2: Convert to fraction form
    2,971.16/4,098.41 = 1,908.57/x
  3. Step 3: Cross multiply
    2,971.16x = 4,098.41 × 1,908.57
  4. Step 4: Simplify right side
    2,971.16x = 7,822,072.34
  5. Step 5: Solve for x
    x = 7,822,072.34/2,971.16
  6. Step 6: Final answer
    x = 2,632.66

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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.