Home / 2,779.16-3,829.08-1,833.28

Finding the Fourth Proportional to 2,779.16, 3,829.08 and 1,833.28

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Solution

The fourth proportional to 2,779.16, 3,829.08 and 1,833.28 is: 2,525.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,779.16 : 3,829.08 = 1,833.28 : x
  2. Step 2: Convert to fraction form
    2,779.16/3,829.08 = 1,833.28/x
  3. Step 3: Cross multiply
    2,779.16x = 3,829.08 × 1,833.28
  4. Step 4: Simplify right side
    2,779.16x = 7,019,775.78
  5. Step 5: Solve for x
    x = 7,019,775.78/2,779.16
  6. Step 6: Final answer
    x = 2,525.86

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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.