Home / 2,028.70-2,783.45-1,973.62

Finding the Fourth Proportional to 2,028.70, 2,783.45 and 1,973.62

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Solution

The fourth proportional to 2,028.70, 2,783.45 and 1,973.62 is: 2,707.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,028.70 : 2,783.45 = 1,973.62 : x
  2. Step 2: Convert to fraction form
    2,028.70/2,783.45 = 1,973.62/x
  3. Step 3: Cross multiply
    2,028.70x = 2,783.45 × 1,973.62
  4. Step 4: Simplify right side
    2,028.70x = 5,493,472.59
  5. Step 5: Solve for x
    x = 5,493,472.59/2,028.70
  6. Step 6: Final answer
    x = 2,707.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.