Home / 2,486.47-3,431.41-1,367.50

Finding the Fourth Proportional to 2,486.47, 3,431.41 and 1,367.50

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Solution

The fourth proportional to 2,486.47, 3,431.41 and 1,367.50 is: 1,887.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,486.47 : 3,431.41 = 1,367.50 : x
  2. Step 2: Convert to fraction form
    2,486.47/3,431.41 = 1,367.50/x
  3. Step 3: Cross multiply
    2,486.47x = 3,431.41 × 1,367.50
  4. Step 4: Simplify right side
    2,486.47x = 4,692,453.18
  5. Step 5: Solve for x
    x = 4,692,453.18/2,486.47
  6. Step 6: Final answer
    x = 1,887.19

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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.