Home / 2,837.06-3,914.67-1,578.08

Finding the Fourth Proportional to 2,837.06, 3,914.67 and 1,578.08

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Solution

The fourth proportional to 2,837.06, 3,914.67 and 1,578.08 is: 2,177.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,837.06 : 3,914.67 = 1,578.08 : x
  2. Step 2: Convert to fraction form
    2,837.06/3,914.67 = 1,578.08/x
  3. Step 3: Cross multiply
    2,837.06x = 3,914.67 × 1,578.08
  4. Step 4: Simplify right side
    2,837.06x = 6,177,662.43
  5. Step 5: Solve for x
    x = 6,177,662.43/2,837.06
  6. Step 6: Final answer
    x = 2,177.49

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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.