Home / 2,765.97-3,816.23-1,646.35

Finding the Fourth Proportional to 2,765.97, 3,816.23 and 1,646.35

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Solution

The fourth proportional to 2,765.97, 3,816.23 and 1,646.35 is: 2,271.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,765.97 : 3,816.23 = 1,646.35 : x
  2. Step 2: Convert to fraction form
    2,765.97/3,816.23 = 1,646.35/x
  3. Step 3: Cross multiply
    2,765.97x = 3,816.23 × 1,646.35
  4. Step 4: Simplify right side
    2,765.97x = 6,282,850.26
  5. Step 5: Solve for x
    x = 6,282,850.26/2,765.97
  6. Step 6: Final answer
    x = 2,271.48

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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.