Home / 2,027.81-3,040.32-1,038.20

Finding the Fourth Proportional to 2,027.81, 3,040.32 and 1,038.20

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Solution

The fourth proportional to 2,027.81, 3,040.32 and 1,038.20 is: 1,556.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,027.81 : 3,040.32 = 1,038.20 : x
  2. Step 2: Convert to fraction form
    2,027.81/3,040.32 = 1,038.20/x
  3. Step 3: Cross multiply
    2,027.81x = 3,040.32 × 1,038.20
  4. Step 4: Simplify right side
    2,027.81x = 3,156,460.22
  5. Step 5: Solve for x
    x = 3,156,460.22/2,027.81
  6. Step 6: Final answer
    x = 1,556.59

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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.