Home / 2,858.31-4,289.90-2,038.59

Finding the Fourth Proportional to 2,858.31, 4,289.90 and 2,038.59

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Solution

The fourth proportional to 2,858.31, 4,289.90 and 2,038.59 is: 3,059.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,858.31 : 4,289.90 = 2,038.59 : x
  2. Step 2: Convert to fraction form
    2,858.31/4,289.90 = 2,038.59/x
  3. Step 3: Cross multiply
    2,858.31x = 4,289.90 × 2,038.59
  4. Step 4: Simplify right side
    2,858.31x = 8,745,337.05
  5. Step 5: Solve for x
    x = 8,745,337.05/2,858.31
  6. Step 6: Final answer
    x = 3,059.62

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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.