Home / 3,239.16-4,465.96-2,118.33

Finding the Fourth Proportional to 3,239.16, 4,465.96 and 2,118.33

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Solution

The fourth proportional to 3,239.16, 4,465.96 and 2,118.33 is: 2,920.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,239.16 : 4,465.96 = 2,118.33 : x
  2. Step 2: Convert to fraction form
    3,239.16/4,465.96 = 2,118.33/x
  3. Step 3: Cross multiply
    3,239.16x = 4,465.96 × 2,118.33
  4. Step 4: Simplify right side
    3,239.16x = 9,460,365.15
  5. Step 5: Solve for x
    x = 9,460,365.15/3,239.16
  6. Step 6: Final answer
    x = 2,920.62

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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.