Home / 2,546.79-3,817.74-1,619.47

Finding the Fourth Proportional to 2,546.79, 3,817.74 and 1,619.47

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Solution

The fourth proportional to 2,546.79, 3,817.74 and 1,619.47 is: 2,427.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,546.79 : 3,817.74 = 1,619.47 : x
  2. Step 2: Convert to fraction form
    2,546.79/3,817.74 = 1,619.47/x
  3. Step 3: Cross multiply
    2,546.79x = 3,817.74 × 1,619.47
  4. Step 4: Simplify right side
    2,546.79x = 6,182,715.40
  5. Step 5: Solve for x
    x = 6,182,715.40/2,546.79
  6. Step 6: Final answer
    x = 2,427.65

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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.