Home / 3,471.96-5,205.78-1,622.28

Finding the Fourth Proportional to 3,471.96, 5,205.78 and 1,622.28

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Solution

The fourth proportional to 3,471.96, 5,205.78 and 1,622.28 is: 2,432.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,471.96 : 5,205.78 = 1,622.28 : x
  2. Step 2: Convert to fraction form
    3,471.96/5,205.78 = 1,622.28/x
  3. Step 3: Cross multiply
    3,471.96x = 5,205.78 × 1,622.28
  4. Step 4: Simplify right side
    3,471.96x = 8,445,232.78
  5. Step 5: Solve for x
    x = 8,445,232.78/3,471.96
  6. Step 6: Final answer
    x = 2,432.41

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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.