Home / 2,824.70-3,899.98-1,764.08

Finding the Fourth Proportional to 2,824.70, 3,899.98 and 1,764.08

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Solution

The fourth proportional to 2,824.70, 3,899.98 and 1,764.08 is: 2,435.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,824.70 : 3,899.98 = 1,764.08 : x
  2. Step 2: Convert to fraction form
    2,824.70/3,899.98 = 1,764.08/x
  3. Step 3: Cross multiply
    2,824.70x = 3,899.98 × 1,764.08
  4. Step 4: Simplify right side
    2,824.70x = 6,879,876.72
  5. Step 5: Solve for x
    x = 6,879,876.72/2,824.70
  6. Step 6: Final answer
    x = 2,435.61

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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.