Home / 2,779.39-3,833.26-2,361.16

Finding the Fourth Proportional to 2,779.39, 3,833.26 and 2,361.16

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Solution

The fourth proportional to 2,779.39, 3,833.26 and 2,361.16 is: 3,256.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,779.39 : 3,833.26 = 2,361.16 : x
  2. Step 2: Convert to fraction form
    2,779.39/3,833.26 = 2,361.16/x
  3. Step 3: Cross multiply
    2,779.39x = 3,833.26 × 2,361.16
  4. Step 4: Simplify right side
    2,779.39x = 9,050,940.18
  5. Step 5: Solve for x
    x = 9,050,940.18/2,779.39
  6. Step 6: Final answer
    x = 3,256.45

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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.