Home / 4,146.05-5,721.67-2,378.00

Finding the Fourth Proportional to 4,146.05, 5,721.67 and 2,378.00

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Solution

The fourth proportional to 4,146.05, 5,721.67 and 2,378.00 is: 3,281.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,146.05 : 5,721.67 = 2,378.00 : x
  2. Step 2: Convert to fraction form
    4,146.05/5,721.67 = 2,378.00/x
  3. Step 3: Cross multiply
    4,146.05x = 5,721.67 × 2,378.00
  4. Step 4: Simplify right side
    4,146.05x = 13,606,148.54
  5. Step 5: Solve for x
    x = 13,606,148.54/4,146.05
  6. Step 6: Final answer
    x = 3,281.71

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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.