Home / 2,836.26-3,912.45-1,774.74

Finding the Fourth Proportional to 2,836.26, 3,912.45 and 1,774.74

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Solution

The fourth proportional to 2,836.26, 3,912.45 and 1,774.74 is: 2,448.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,836.26 : 3,912.45 = 1,774.74 : x
  2. Step 2: Convert to fraction form
    2,836.26/3,912.45 = 1,774.74/x
  3. Step 3: Cross multiply
    2,836.26x = 3,912.45 × 1,774.74
  4. Step 4: Simplify right side
    2,836.26x = 6,943,581.51
  5. Step 5: Solve for x
    x = 6,943,581.51/2,836.26
  6. Step 6: Final answer
    x = 2,448.15

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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.