Home / 2,759.23-4,136.40-1,026.64

Finding the Fourth Proportional to 2,759.23, 4,136.40 and 1,026.64

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Solution

The fourth proportional to 2,759.23, 4,136.40 and 1,026.64 is: 1,539.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,759.23 : 4,136.40 = 1,026.64 : x
  2. Step 2: Convert to fraction form
    2,759.23/4,136.40 = 1,026.64/x
  3. Step 3: Cross multiply
    2,759.23x = 4,136.40 × 1,026.64
  4. Step 4: Simplify right side
    2,759.23x = 4,246,593.70
  5. Step 5: Solve for x
    x = 4,246,593.70/2,759.23
  6. Step 6: Final answer
    x = 1,539.05

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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.