Home / 3,100.80-4,639.68-1,733.76

Finding the Fourth Proportional to 3,100.80, 4,639.68 and 1,733.76

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Solution

The fourth proportional to 3,100.80, 4,639.68 and 1,733.76 is: 2,594.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,100.80 : 4,639.68 = 1,733.76 : x
  2. Step 2: Convert to fraction form
    3,100.80/4,639.68 = 1,733.76/x
  3. Step 3: Cross multiply
    3,100.80x = 4,639.68 × 1,733.76
  4. Step 4: Simplify right side
    3,100.80x = 8,044,091.60
  5. Step 5: Solve for x
    x = 8,044,091.60/3,100.80
  6. Step 6: Final answer
    x = 2,594.20

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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.