Home / 2,822.69-3,895.05-1,563.59

Finding the Fourth Proportional to 2,822.69, 3,895.05 and 1,563.59

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Solution

The fourth proportional to 2,822.69, 3,895.05 and 1,563.59 is: 2,157.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,822.69 : 3,895.05 = 1,563.59 : x
  2. Step 2: Convert to fraction form
    2,822.69/3,895.05 = 1,563.59/x
  3. Step 3: Cross multiply
    2,822.69x = 3,895.05 × 1,563.59
  4. Step 4: Simplify right side
    2,822.69x = 6,090,261.23
  5. Step 5: Solve for x
    x = 6,090,261.23/2,822.69
  6. Step 6: Final answer
    x = 2,157.61

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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.