Home / 1,981.37-2,734.25-1,097.16

Finding the Fourth Proportional to 1,981.37, 2,734.25 and 1,097.16

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Solution

The fourth proportional to 1,981.37, 2,734.25 and 1,097.16 is: 1,514.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,981.37 : 2,734.25 = 1,097.16 : x
  2. Step 2: Convert to fraction form
    1,981.37/2,734.25 = 1,097.16/x
  3. Step 3: Cross multiply
    1,981.37x = 2,734.25 × 1,097.16
  4. Step 4: Simplify right side
    1,981.37x = 2,999,904.24
  5. Step 5: Solve for x
    x = 2,999,904.24/1,981.37
  6. Step 6: Final answer
    x = 1,514.06

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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.