Home / 3,483-4,806.54-2,086.56

Finding the Fourth Proportional to 3,483, 4,806.54 and 2,086.56

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Solution

The fourth proportional to 3,483, 4,806.54 and 2,086.56 is: 2,879.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,483 : 4,806.54 = 2,086.56 : x
  2. Step 2: Convert to fraction form
    3,483/4,806.54 = 2,086.56/x
  3. Step 3: Cross multiply
    3,483x = 4,806.54 × 2,086.56
  4. Step 4: Simplify right side
    3,483x = 10,029,134.10
  5. Step 5: Solve for x
    x = 10,029,134.10/3,483
  6. Step 6: Final answer
    x = 2,879.45

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1.5x scale

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.