Home / 2,281.37-3,428.78-1,893.87

Finding the Fourth Proportional to 2,281.37, 3,428.78 and 1,893.87

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Solution

The fourth proportional to 2,281.37, 3,428.78 and 1,893.87 is: 2,846.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,281.37 : 3,428.78 = 1,893.87 : x
  2. Step 2: Convert to fraction form
    2,281.37/3,428.78 = 1,893.87/x
  3. Step 3: Cross multiply
    2,281.37x = 3,428.78 × 1,893.87
  4. Step 4: Simplify right side
    2,281.37x = 6,493,654.11
  5. Step 5: Solve for x
    x = 6,493,654.11/2,281.37
  6. Step 6: Final answer
    x = 2,846.39

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1.5x scale

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.