Home / 2,820.99-3,893.33-1,702.56

Finding the Fourth Proportional to 2,820.99, 3,893.33 and 1,702.56

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Solution

The fourth proportional to 2,820.99, 3,893.33 and 1,702.56 is: 2,349.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,820.99 : 3,893.33 = 1,702.56 : x
  2. Step 2: Convert to fraction form
    2,820.99/3,893.33 = 1,702.56/x
  3. Step 3: Cross multiply
    2,820.99x = 3,893.33 × 1,702.56
  4. Step 4: Simplify right side
    2,820.99x = 6,628,632.18
  5. Step 5: Solve for x
    x = 6,628,632.18/2,820.99
  6. Step 6: Final answer
    x = 2,349.75

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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.