Home / 2,195.70-3,285.45-1,466.70

Finding the Fourth Proportional to 2,195.70, 3,285.45 and 1,466.70

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Solution

The fourth proportional to 2,195.70, 3,285.45 and 1,466.70 is: 2,194.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195.70 : 3,285.45 = 1,466.70 : x
  2. Step 2: Convert to fraction form
    2,195.70/3,285.45 = 1,466.70/x
  3. Step 3: Cross multiply
    2,195.70x = 3,285.45 × 1,466.70
  4. Step 4: Simplify right side
    2,195.70x = 4,818,769.52
  5. Step 5: Solve for x
    x = 4,818,769.52/2,195.70
  6. Step 6: Final answer
    x = 2,194.64

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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.