Home / 3,484.22-4,808.30-1,912.32

Finding the Fourth Proportional to 3,484.22, 4,808.30 and 1,912.32

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Solution

The fourth proportional to 3,484.22, 4,808.30 and 1,912.32 is: 2,639.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,484.22 : 4,808.30 = 1,912.32 : x
  2. Step 2: Convert to fraction form
    3,484.22/4,808.30 = 1,912.32/x
  3. Step 3: Cross multiply
    3,484.22x = 4,808.30 × 1,912.32
  4. Step 4: Simplify right side
    3,484.22x = 9,194,998.69
  5. Step 5: Solve for x
    x = 9,194,998.69/3,484.22
  6. Step 6: Final answer
    x = 2,639.04

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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.