Home / 1,743.79-2,611.07-1,276.32

Finding the Fourth Proportional to 1,743.79, 2,611.07 and 1,276.32

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Solution

The fourth proportional to 1,743.79, 2,611.07 and 1,276.32 is: 1,911.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,743.79 : 2,611.07 = 1,276.32 : x
  2. Step 2: Convert to fraction form
    1,743.79/2,611.07 = 1,276.32/x
  3. Step 3: Cross multiply
    1,743.79x = 2,611.07 × 1,276.32
  4. Step 4: Simplify right side
    1,743.79x = 3,332,563.43
  5. Step 5: Solve for x
    x = 3,332,563.43/1,743.79
  6. Step 6: Final answer
    x = 1,911.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.