Home / 2,858.64-4,281.30-2,779.82

Finding the Fourth Proportional to 2,858.64, 4,281.30 and 2,779.82

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Solution

The fourth proportional to 2,858.64, 4,281.30 and 2,779.82 is: 4,163.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,858.64 : 4,281.30 = 2,779.82 : x
  2. Step 2: Convert to fraction form
    2,858.64/4,281.30 = 2,779.82/x
  3. Step 3: Cross multiply
    2,858.64x = 4,281.30 × 2,779.82
  4. Step 4: Simplify right side
    2,858.64x = 11,901,243.37
  5. Step 5: Solve for x
    x = 11,901,243.37/2,858.64
  6. Step 6: Final answer
    x = 4,163.25

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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.