Home / 2,837.65-3,914.38-1,718.90

Finding the Fourth Proportional to 2,837.65, 3,914.38 and 1,718.90

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Solution

The fourth proportional to 2,837.65, 3,914.38 and 1,718.90 is: 2,371.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,837.65 : 3,914.38 = 1,718.90 : x
  2. Step 2: Convert to fraction form
    2,837.65/3,914.38 = 1,718.90/x
  3. Step 3: Cross multiply
    2,837.65x = 3,914.38 × 1,718.90
  4. Step 4: Simplify right side
    2,837.65x = 6,728,427.78
  5. Step 5: Solve for x
    x = 6,728,427.78/2,837.65
  6. Step 6: Final answer
    x = 2,371.13

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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.