Home / 2,027.40-3,022.93-1,990.50

Finding the Fourth Proportional to 2,027.40, 3,022.93 and 1,990.50

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Solution

The fourth proportional to 2,027.40, 3,022.93 and 1,990.50 is: 2,967.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,027.40 : 3,022.93 = 1,990.50 : x
  2. Step 2: Convert to fraction form
    2,027.40/3,022.93 = 1,990.50/x
  3. Step 3: Cross multiply
    2,027.40x = 3,022.93 × 1,990.50
  4. Step 4: Simplify right side
    2,027.40x = 6,017,142.17
  5. Step 5: Solve for x
    x = 6,017,142.17/2,027.40
  6. Step 6: Final answer
    x = 2,967.91

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.