Home / 3,752.17-5,178-2,180.37

Finding the Fourth Proportional to 3,752.17, 5,178 and 2,180.37

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Solution

The fourth proportional to 3,752.17, 5,178 and 2,180.37 is: 3,008.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,752.17 : 5,178 = 2,180.37 : x
  2. Step 2: Convert to fraction form
    3,752.17/5,178 = 2,180.37/x
  3. Step 3: Cross multiply
    3,752.17x = 5,178 × 2,180.37
  4. Step 4: Simplify right side
    3,752.17x = 11,289,955.86
  5. Step 5: Solve for x
    x = 11,289,955.86/3,752.17
  6. Step 6: Final answer
    x = 3,008.91

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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.