Home / 2,759.51-4,137.72-1,439.96

Finding the Fourth Proportional to 2,759.51, 4,137.72 and 1,439.96

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Solution

The fourth proportional to 2,759.51, 4,137.72 and 1,439.96 is: 2,159.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,759.51 : 4,137.72 = 1,439.96 : x
  2. Step 2: Convert to fraction form
    2,759.51/4,137.72 = 1,439.96/x
  3. Step 3: Cross multiply
    2,759.51x = 4,137.72 × 1,439.96
  4. Step 4: Simplify right side
    2,759.51x = 5,958,130.60
  5. Step 5: Solve for x
    x = 5,958,130.60/2,759.51
  6. Step 6: Final answer
    x = 2,159.13

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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.