Home / 3,278.13-4,523.81-1,881.33

Finding the Fourth Proportional to 3,278.13, 4,523.81 and 1,881.33

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Solution

The fourth proportional to 3,278.13, 4,523.81 and 1,881.33 is: 2,596.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278.13 : 4,523.81 = 1,881.33 : x
  2. Step 2: Convert to fraction form
    3,278.13/4,523.81 = 1,881.33/x
  3. Step 3: Cross multiply
    3,278.13x = 4,523.81 × 1,881.33
  4. Step 4: Simplify right side
    3,278.13x = 8,510,779.47
  5. Step 5: Solve for x
    x = 8,510,779.47/3,278.13
  6. Step 6: Final answer
    x = 2,596.23

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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.