Home / 3,292.36-4,539.01-2,111.38

Finding the Fourth Proportional to 3,292.36, 4,539.01 and 2,111.38

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Solution

The fourth proportional to 3,292.36, 4,539.01 and 2,111.38 is: 2,910.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,292.36 : 4,539.01 = 2,111.38 : x
  2. Step 2: Convert to fraction form
    3,292.36/4,539.01 = 2,111.38/x
  3. Step 3: Cross multiply
    3,292.36x = 4,539.01 × 2,111.38
  4. Step 4: Simplify right side
    3,292.36x = 9,583,574.93
  5. Step 5: Solve for x
    x = 9,583,574.93/3,292.36
  6. Step 6: Final answer
    x = 2,910.85

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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.