Home / 3,484.74-4,808.94-1,912.83

Finding the Fourth Proportional to 3,484.74, 4,808.94 and 1,912.83

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Solution

The fourth proportional to 3,484.74, 4,808.94 and 1,912.83 is: 2,639.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,484.74 : 4,808.94 = 1,912.83 : x
  2. Step 2: Convert to fraction form
    3,484.74/4,808.94 = 1,912.83/x
  3. Step 3: Cross multiply
    3,484.74x = 4,808.94 × 1,912.83
  4. Step 4: Simplify right side
    3,484.74x = 9,198,684.70
  5. Step 5: Solve for x
    x = 9,198,684.70/3,484.74
  6. Step 6: Final answer
    x = 2,639.70

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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.