Home / 2,743.70-4,115.96-1,012.20

Finding the Fourth Proportional to 2,743.70, 4,115.96 and 1,012.20

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Solution

The fourth proportional to 2,743.70, 4,115.96 and 1,012.20 is: 1,518.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,743.70 : 4,115.96 = 1,012.20 : x
  2. Step 2: Convert to fraction form
    2,743.70/4,115.96 = 1,012.20/x
  3. Step 3: Cross multiply
    2,743.70x = 4,115.96 × 1,012.20
  4. Step 4: Simplify right side
    2,743.70x = 4,166,174.71
  5. Step 5: Solve for x
    x = 4,166,174.71/2,743.70
  6. Step 6: Final answer
    x = 1,518.45

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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.