Home / 3,763.06-5,198.34-3,426.40

Finding the Fourth Proportional to 3,763.06, 5,198.34 and 3,426.40

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Solution

The fourth proportional to 3,763.06, 5,198.34 and 3,426.40 is: 4,733.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,763.06 : 5,198.34 = 3,426.40 : x
  2. Step 2: Convert to fraction form
    3,763.06/5,198.34 = 3,426.40/x
  3. Step 3: Cross multiply
    3,763.06x = 5,198.34 × 3,426.40
  4. Step 4: Simplify right side
    3,763.06x = 17,811,611.52
  5. Step 5: Solve for x
    x = 17,811,611.52/3,763.06
  6. Step 6: Final answer
    x = 4,733.28

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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.