Home / 2,027.70-3,040.57-931.36

Finding the Fourth Proportional to 2,027.70, 3,040.57 and 931.36

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Solution

The fourth proportional to 2,027.70, 3,040.57 and 931.36 is: 1,396.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,027.70 : 3,040.57 = 931.36 : x
  2. Step 2: Convert to fraction form
    2,027.70/3,040.57 = 931.36/x
  3. Step 3: Cross multiply
    2,027.70x = 3,040.57 × 931.36
  4. Step 4: Simplify right side
    2,027.70x = 2,831,865.28
  5. Step 5: Solve for x
    x = 2,831,865.28/2,027.70
  6. Step 6: Final answer
    x = 1,396.59

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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.