Home / 3,206.95-4,421.48-2,629.92

Finding the Fourth Proportional to 3,206.95, 4,421.48 and 2,629.92

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Solution

The fourth proportional to 3,206.95, 4,421.48 and 2,629.92 is: 3,625.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,206.95 : 4,421.48 = 2,629.92 : x
  2. Step 2: Convert to fraction form
    3,206.95/4,421.48 = 2,629.92/x
  3. Step 3: Cross multiply
    3,206.95x = 4,421.48 × 2,629.92
  4. Step 4: Simplify right side
    3,206.95x = 11,628,114.48
  5. Step 5: Solve for x
    x = 11,628,114.48/3,206.95
  6. Step 6: Final answer
    x = 3,625.91

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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.