Home / 1,742.76-2,611.44-1,376.64

Finding the Fourth Proportional to 1,742.76, 2,611.44 and 1,376.64

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Solution

The fourth proportional to 1,742.76, 2,611.44 and 1,376.64 is: 2,062.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,742.76 : 2,611.44 = 1,376.64 : x
  2. Step 2: Convert to fraction form
    1,742.76/2,611.44 = 1,376.64/x
  3. Step 3: Cross multiply
    1,742.76x = 2,611.44 × 1,376.64
  4. Step 4: Simplify right side
    1,742.76x = 3,595,012.76
  5. Step 5: Solve for x
    x = 3,595,012.76/1,742.76
  6. Step 6: Final answer
    x = 2,062.83

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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.