Home / 2,856.98-4,283.84-1,930.34

Finding the Fourth Proportional to 2,856.98, 4,283.84 and 1,930.34

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Solution

The fourth proportional to 2,856.98, 4,283.84 and 1,930.34 is: 2,894.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,856.98 : 4,283.84 = 1,930.34 : x
  2. Step 2: Convert to fraction form
    2,856.98/4,283.84 = 1,930.34/x
  3. Step 3: Cross multiply
    2,856.98x = 4,283.84 × 1,930.34
  4. Step 4: Simplify right side
    2,856.98x = 8,269,267.71
  5. Step 5: Solve for x
    x = 8,269,267.71/2,856.98
  6. Step 6: Final answer
    x = 2,894.41

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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.