Home / 2,868.81-4,292.36-1,699.44

Finding the Fourth Proportional to 2,868.81, 4,292.36 and 1,699.44

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Solution

The fourth proportional to 2,868.81, 4,292.36 and 1,699.44 is: 2,542.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,868.81 : 4,292.36 = 1,699.44 : x
  2. Step 2: Convert to fraction form
    2,868.81/4,292.36 = 1,699.44/x
  3. Step 3: Cross multiply
    2,868.81x = 4,292.36 × 1,699.44
  4. Step 4: Simplify right side
    2,868.81x = 7,294,599.78
  5. Step 5: Solve for x
    x = 7,294,599.78/2,868.81
  6. Step 6: Final answer
    x = 2,542.73

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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.