Home / 3,966.45-5,945.37-2,580.77

Finding the Fourth Proportional to 3,966.45, 5,945.37 and 2,580.77

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Solution

The fourth proportional to 3,966.45, 5,945.37 and 2,580.77 is: 3,868.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,966.45 : 5,945.37 = 2,580.77 : x
  2. Step 2: Convert to fraction form
    3,966.45/5,945.37 = 2,580.77/x
  3. Step 3: Cross multiply
    3,966.45x = 5,945.37 × 2,580.77
  4. Step 4: Simplify right side
    3,966.45x = 15,343,632.53
  5. Step 5: Solve for x
    x = 15,343,632.53/3,966.45
  6. Step 6: Final answer
    x = 3,868.35

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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.