Home / 2,779.96-4,166.94-1,806.76

Finding the Fourth Proportional to 2,779.96, 4,166.94 and 1,806.76

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Solution

The fourth proportional to 2,779.96, 4,166.94 and 1,806.76 is: 2,708.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,779.96 : 4,166.94 = 1,806.76 : x
  2. Step 2: Convert to fraction form
    2,779.96/4,166.94 = 1,806.76/x
  3. Step 3: Cross multiply
    2,779.96x = 4,166.94 × 1,806.76
  4. Step 4: Simplify right side
    2,779.96x = 7,528,660.51
  5. Step 5: Solve for x
    x = 7,528,660.51/2,779.96
  6. Step 6: Final answer
    x = 2,708.19

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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.