Home / 3,490.36-4,816.52-1,918.52

Finding the Fourth Proportional to 3,490.36, 4,816.52 and 1,918.52

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Solution

The fourth proportional to 3,490.36, 4,816.52 and 1,918.52 is: 2,647.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,490.36 : 4,816.52 = 1,918.52 : x
  2. Step 2: Convert to fraction form
    3,490.36/4,816.52 = 1,918.52/x
  3. Step 3: Cross multiply
    3,490.36x = 4,816.52 × 1,918.52
  4. Step 4: Simplify right side
    3,490.36x = 9,240,589.95
  5. Step 5: Solve for x
    x = 9,240,589.95/3,490.36
  6. Step 6: Final answer
    x = 2,647.46

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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.