Home / 2,846.36-4,269.38-1,285.98

Finding the Fourth Proportional to 2,846.36, 4,269.38 and 1,285.98

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Solution

The fourth proportional to 2,846.36, 4,269.38 and 1,285.98 is: 1,928.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,846.36 : 4,269.38 = 1,285.98 : x
  2. Step 2: Convert to fraction form
    2,846.36/4,269.38 = 1,285.98/x
  3. Step 3: Cross multiply
    2,846.36x = 4,269.38 × 1,285.98
  4. Step 4: Simplify right side
    2,846.36x = 5,490,337.29
  5. Step 5: Solve for x
    x = 5,490,337.29/2,846.36
  6. Step 6: Final answer
    x = 1,928.90

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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.