Home / 2,040.89-3,061.50-654.41

Finding the Fourth Proportional to 2,040.89, 3,061.50 and 654.41

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Solution

The fourth proportional to 2,040.89, 3,061.50 and 654.41 is: 981.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,040.89 : 3,061.50 = 654.41 : x
  2. Step 2: Convert to fraction form
    2,040.89/3,061.50 = 654.41/x
  3. Step 3: Cross multiply
    2,040.89x = 3,061.50 × 654.41
  4. Step 4: Simplify right side
    2,040.89x = 2,003,476.22
  5. Step 5: Solve for x
    x = 2,003,476.22/2,040.89
  6. Step 6: Final answer
    x = 981.67

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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.