Home / 2,195.08-3,284.70-1,373.80

Finding the Fourth Proportional to 2,195.08, 3,284.70 and 1,373.80

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Solution

The fourth proportional to 2,195.08, 3,284.70 and 1,373.80 is: 2,055.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195.08 : 3,284.70 = 1,373.80 : x
  2. Step 2: Convert to fraction form
    2,195.08/3,284.70 = 1,373.80/x
  3. Step 3: Cross multiply
    2,195.08x = 3,284.70 × 1,373.80
  4. Step 4: Simplify right side
    2,195.08x = 4,512,520.86
  5. Step 5: Solve for x
    x = 4,512,520.86/2,195.08
  6. Step 6: Final answer
    x = 2,055.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.