Home / 3,511.45-4,846.73-2,019.54

Finding the Fourth Proportional to 3,511.45, 4,846.73 and 2,019.54

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Solution

The fourth proportional to 3,511.45, 4,846.73 and 2,019.54 is: 2,787.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511.45 : 4,846.73 = 2,019.54 : x
  2. Step 2: Convert to fraction form
    3,511.45/4,846.73 = 2,019.54/x
  3. Step 3: Cross multiply
    3,511.45x = 4,846.73 × 2,019.54
  4. Step 4: Simplify right side
    3,511.45x = 9,788,165.10
  5. Step 5: Solve for x
    x = 9,788,165.10/3,511.45
  6. Step 6: Final answer
    x = 2,787.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.