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Finding the Fourth Proportional to 2,868.69, 4,303 and 1,894.56

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Solution

The fourth proportional to 2,868.69, 4,303 and 1,894.56 is: 2,841.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,868.69 : 4,303 = 1,894.56 : x
  2. Step 2: Convert to fraction form
    2,868.69/4,303 = 1,894.56/x
  3. Step 3: Cross multiply
    2,868.69x = 4,303 × 1,894.56
  4. Step 4: Simplify right side
    2,868.69x = 8,152,291.68
  5. Step 5: Solve for x
    x = 8,152,291.68/2,868.69
  6. Step 6: Final answer
    x = 2,841.82

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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.