Home / 1,981.26-2,734.02-1,097.01

Finding the Fourth Proportional to 1,981.26, 2,734.02 and 1,097.01

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Solution

The fourth proportional to 1,981.26, 2,734.02 and 1,097.01 is: 1,513.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,981.26 : 2,734.02 = 1,097.01 : x
  2. Step 2: Convert to fraction form
    1,981.26/2,734.02 = 1,097.01/x
  3. Step 3: Cross multiply
    1,981.26x = 2,734.02 × 1,097.01
  4. Step 4: Simplify right side
    1,981.26x = 2,999,247.28
  5. Step 5: Solve for x
    x = 2,999,247.28/1,981.26
  6. Step 6: Final answer
    x = 1,513.81

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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.