Home / 3,945.47-5,443.99-2,373.67

Finding the Fourth Proportional to 3,945.47, 5,443.99 and 2,373.67

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Solution

The fourth proportional to 3,945.47, 5,443.99 and 2,373.67 is: 3,275.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,945.47 : 5,443.99 = 2,373.67 : x
  2. Step 2: Convert to fraction form
    3,945.47/5,443.99 = 2,373.67/x
  3. Step 3: Cross multiply
    3,945.47x = 5,443.99 × 2,373.67
  4. Step 4: Simplify right side
    3,945.47x = 12,922,235.74
  5. Step 5: Solve for x
    x = 12,922,235.74/3,945.47
  6. Step 6: Final answer
    x = 3,275.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.