Home / 1,986.83-2,746.60-1,517.03

Finding the Fourth Proportional to 1,986.83, 2,746.60 and 1,517.03

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Solution

The fourth proportional to 1,986.83, 2,746.60 and 1,517.03 is: 2,097.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,986.83 : 2,746.60 = 1,517.03 : x
  2. Step 2: Convert to fraction form
    1,986.83/2,746.60 = 1,517.03/x
  3. Step 3: Cross multiply
    1,986.83x = 2,746.60 × 1,517.03
  4. Step 4: Simplify right side
    1,986.83x = 4,166,657.07
  5. Step 5: Solve for x
    x = 4,166,657.07/1,986.83
  6. Step 6: Final answer
    x = 2,097.14

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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.