Home / 2,734.12-3,771.96-1,686.76

Finding the Fourth Proportional to 2,734.12, 3,771.96 and 1,686.76

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Solution

The fourth proportional to 2,734.12, 3,771.96 and 1,686.76 is: 2,327.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,734.12 : 3,771.96 = 1,686.76 : x
  2. Step 2: Convert to fraction form
    2,734.12/3,771.96 = 1,686.76/x
  3. Step 3: Cross multiply
    2,734.12x = 3,771.96 × 1,686.76
  4. Step 4: Simplify right side
    2,734.12x = 6,362,391.25
  5. Step 5: Solve for x
    x = 6,362,391.25/2,734.12
  6. Step 6: Final answer
    x = 2,327.03

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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.