Home / 3,813.51-5,722.23-2,888.76

Finding the Fourth Proportional to 3,813.51, 5,722.23 and 2,888.76

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Solution

The fourth proportional to 3,813.51, 5,722.23 and 2,888.76 is: 4,334.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,813.51 : 5,722.23 = 2,888.76 : x
  2. Step 2: Convert to fraction form
    3,813.51/5,722.23 = 2,888.76/x
  3. Step 3: Cross multiply
    3,813.51x = 5,722.23 × 2,888.76
  4. Step 4: Simplify right side
    3,813.51x = 16,530,149.13
  5. Step 5: Solve for x
    x = 16,530,149.13/3,813.51
  6. Step 6: Final answer
    x = 4,334.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.