Home / 4,271.87-5,890.05-2,779.25

Finding the Fourth Proportional to 4,271.87, 5,890.05 and 2,779.25

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Solution

The fourth proportional to 4,271.87, 5,890.05 and 2,779.25 is: 3,832.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,271.87 : 5,890.05 = 2,779.25 : x
  2. Step 2: Convert to fraction form
    4,271.87/5,890.05 = 2,779.25/x
  3. Step 3: Cross multiply
    4,271.87x = 5,890.05 × 2,779.25
  4. Step 4: Simplify right side
    4,271.87x = 16,369,892.01
  5. Step 5: Solve for x
    x = 16,369,892.01/4,271.87
  6. Step 6: Final answer
    x = 3,832.02

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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.