Home / 2,027.90-3,041.96-931.97

Finding the Fourth Proportional to 2,027.90, 3,041.96 and 931.97

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Solution

The fourth proportional to 2,027.90, 3,041.96 and 931.97 is: 1,398.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,027.90 : 3,041.96 = 931.97 : x
  2. Step 2: Convert to fraction form
    2,027.90/3,041.96 = 931.97/x
  3. Step 3: Cross multiply
    2,027.90x = 3,041.96 × 931.97
  4. Step 4: Simplify right side
    2,027.90x = 2,835,018.41
  5. Step 5: Solve for x
    x = 2,835,018.41/2,027.90
  6. Step 6: Final answer
    x = 1,398.01

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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.