Home / 3,921.18-5,881.47-1,841.67

Finding the Fourth Proportional to 3,921.18, 5,881.47 and 1,841.67

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Solution

The fourth proportional to 3,921.18, 5,881.47 and 1,841.67 is: 2,762.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,921.18 : 5,881.47 = 1,841.67 : x
  2. Step 2: Convert to fraction form
    3,921.18/5,881.47 = 1,841.67/x
  3. Step 3: Cross multiply
    3,921.18x = 5,881.47 × 1,841.67
  4. Step 4: Simplify right side
    3,921.18x = 10,831,726.85
  5. Step 5: Solve for x
    x = 10,831,726.85/3,921.18
  6. Step 6: Final answer
    x = 2,762.36

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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.