Home / 2,860.21-4,289.14-1,936.02

Finding the Fourth Proportional to 2,860.21, 4,289.14 and 1,936.02

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Solution

The fourth proportional to 2,860.21, 4,289.14 and 1,936.02 is: 2,903.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,860.21 : 4,289.14 = 1,936.02 : x
  2. Step 2: Convert to fraction form
    2,860.21/4,289.14 = 1,936.02/x
  3. Step 3: Cross multiply
    2,860.21x = 4,289.14 × 1,936.02
  4. Step 4: Simplify right side
    2,860.21x = 8,303,860.82
  5. Step 5: Solve for x
    x = 8,303,860.82/2,860.21
  6. Step 6: Final answer
    x = 2,903.23

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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.