Home / 3,512.18-4,846.61-1,918.52

Finding the Fourth Proportional to 3,512.18, 4,846.61 and 1,918.52

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Solution

The fourth proportional to 3,512.18, 4,846.61 and 1,918.52 is: 2,647.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,512.18 : 4,846.61 = 1,918.52 : x
  2. Step 2: Convert to fraction form
    3,512.18/4,846.61 = 1,918.52/x
  3. Step 3: Cross multiply
    3,512.18x = 4,846.61 × 1,918.52
  4. Step 4: Simplify right side
    3,512.18x = 9,298,318.22
  5. Step 5: Solve for x
    x = 9,298,318.22/3,512.18
  6. Step 6: Final answer
    x = 2,647.45

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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.