Home / 2,211.96-3,049.74-1,860.60

Finding the Fourth Proportional to 2,211.96, 3,049.74 and 1,860.60

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Solution

The fourth proportional to 2,211.96, 3,049.74 and 1,860.60 is: 2,565.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,211.96 : 3,049.74 = 1,860.60 : x
  2. Step 2: Convert to fraction form
    2,211.96/3,049.74 = 1,860.60/x
  3. Step 3: Cross multiply
    2,211.96x = 3,049.74 × 1,860.60
  4. Step 4: Simplify right side
    2,211.96x = 5,674,346.24
  5. Step 5: Solve for x
    x = 5,674,346.24/2,211.96
  6. Step 6: Final answer
    x = 2,565.30

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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.