Home / 2,779.16-3,826.17-2,429.64

Finding the Fourth Proportional to 2,779.16, 3,826.17 and 2,429.64

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Solution

The fourth proportional to 2,779.16, 3,826.17 and 2,429.64 is: 3,344.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,779.16 : 3,826.17 = 2,429.64 : x
  2. Step 2: Convert to fraction form
    2,779.16/3,826.17 = 2,429.64/x
  3. Step 3: Cross multiply
    2,779.16x = 3,826.17 × 2,429.64
  4. Step 4: Simplify right side
    2,779.16x = 9,296,215.68
  5. Step 5: Solve for x
    x = 9,296,215.68/2,779.16
  6. Step 6: Final answer
    x = 3,344.98

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1.5x scale

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.