Home / 2,816.23-3,887.22-1,637.77

Finding the Fourth Proportional to 2,816.23, 3,887.22 and 1,637.77

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Solution

The fourth proportional to 2,816.23, 3,887.22 and 1,637.77 is: 2,260.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,816.23 : 3,887.22 = 1,637.77 : x
  2. Step 2: Convert to fraction form
    2,816.23/3,887.22 = 1,637.77/x
  3. Step 3: Cross multiply
    2,816.23x = 3,887.22 × 1,637.77
  4. Step 4: Simplify right side
    2,816.23x = 6,366,372.30
  5. Step 5: Solve for x
    x = 6,366,372.30/2,816.23
  6. Step 6: Final answer
    x = 2,260.60

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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.