Home / 2,779.24-4,164.23-1,955.79

Finding the Fourth Proportional to 2,779.24, 4,164.23 and 1,955.79

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Solution

The fourth proportional to 2,779.24, 4,164.23 and 1,955.79 is: 2,930.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,779.24 : 4,164.23 = 1,955.79 : x
  2. Step 2: Convert to fraction form
    2,779.24/4,164.23 = 1,955.79/x
  3. Step 3: Cross multiply
    2,779.24x = 4,164.23 × 1,955.79
  4. Step 4: Simplify right side
    2,779.24x = 8,144,338.57
  5. Step 5: Solve for x
    x = 8,144,338.57/2,779.24
  6. Step 6: Final answer
    x = 2,930.42

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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.