Home / 2,370.12-3,270.86-1,322.24

Finding the Fourth Proportional to 2,370.12, 3,270.86 and 1,322.24

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Solution

The fourth proportional to 2,370.12, 3,270.86 and 1,322.24 is: 1,824.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,370.12 : 3,270.86 = 1,322.24 : x
  2. Step 2: Convert to fraction form
    2,370.12/3,270.86 = 1,322.24/x
  3. Step 3: Cross multiply
    2,370.12x = 3,270.86 × 1,322.24
  4. Step 4: Simplify right side
    2,370.12x = 4,324,861.93
  5. Step 5: Solve for x
    x = 4,324,861.93/2,370.12
  6. Step 6: Final answer
    x = 1,824.74

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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.