Home / 2,823.51-3,896.60-1,775.91

Finding the Fourth Proportional to 2,823.51, 3,896.60 and 1,775.91

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Solution

The fourth proportional to 2,823.51, 3,896.60 and 1,775.91 is: 2,450.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,823.51 : 3,896.60 = 1,775.91 : x
  2. Step 2: Convert to fraction form
    2,823.51/3,896.60 = 1,775.91/x
  3. Step 3: Cross multiply
    2,823.51x = 3,896.60 × 1,775.91
  4. Step 4: Simplify right side
    2,823.51x = 6,920,002.03
  5. Step 5: Solve for x
    x = 6,920,002.03/2,823.51
  6. Step 6: Final answer
    x = 2,450.85

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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.