Home / 3,203.93-4,421.63-1,806.77

Finding the Fourth Proportional to 3,203.93, 4,421.63 and 1,806.77

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Solution

The fourth proportional to 3,203.93, 4,421.63 and 1,806.77 is: 2,493.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,203.93 : 4,421.63 = 1,806.77 : x
  2. Step 2: Convert to fraction form
    3,203.93/4,421.63 = 1,806.77/x
  3. Step 3: Cross multiply
    3,203.93x = 4,421.63 × 1,806.77
  4. Step 4: Simplify right side
    3,203.93x = 7,988,868.44
  5. Step 5: Solve for x
    x = 7,988,868.44/3,203.93
  6. Step 6: Final answer
    x = 2,493.46

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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.