Home / 3,305.34-4,956.80-1,113.55

Finding the Fourth Proportional to 3,305.34, 4,956.80 and 1,113.55

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Solution

The fourth proportional to 3,305.34, 4,956.80 and 1,113.55 is: 1,669.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,305.34 : 4,956.80 = 1,113.55 : x
  2. Step 2: Convert to fraction form
    3,305.34/4,956.80 = 1,113.55/x
  3. Step 3: Cross multiply
    3,305.34x = 4,956.80 × 1,113.55
  4. Step 4: Simplify right side
    3,305.34x = 5,519,626.68
  5. Step 5: Solve for x
    x = 5,519,626.68/3,305.34
  6. Step 6: Final answer
    x = 1,669.91

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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.