Home / 3,484.28-4,808.30-1,912.34

Finding the Fourth Proportional to 3,484.28, 4,808.30 and 1,912.34

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Solution

The fourth proportional to 3,484.28, 4,808.30 and 1,912.34 is: 2,639.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,484.28 : 4,808.30 = 1,912.34 : x
  2. Step 2: Convert to fraction form
    3,484.28/4,808.30 = 1,912.34/x
  3. Step 3: Cross multiply
    3,484.28x = 4,808.30 × 1,912.34
  4. Step 4: Simplify right side
    3,484.28x = 9,195,106.88
  5. Step 5: Solve for x
    x = 9,195,106.88/3,484.28
  6. Step 6: Final answer
    x = 2,639.02

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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.