Home / 1,891.75-2,611.03-1,052.74

Finding the Fourth Proportional to 1,891.75, 2,611.03 and 1,052.74

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Solution

The fourth proportional to 1,891.75, 2,611.03 and 1,052.74 is: 1,453.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,891.75 : 2,611.03 = 1,052.74 : x
  2. Step 2: Convert to fraction form
    1,891.75/2,611.03 = 1,052.74/x
  3. Step 3: Cross multiply
    1,891.75x = 2,611.03 × 1,052.74
  4. Step 4: Simplify right side
    1,891.75x = 2,748,735.72
  5. Step 5: Solve for x
    x = 2,748,735.72/1,891.75
  6. Step 6: Final answer
    x = 1,453.01

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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.