Home / 3,476.40-5,217.72-1,628.58

Finding the Fourth Proportional to 3,476.40, 5,217.72 and 1,628.58

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Solution

The fourth proportional to 3,476.40, 5,217.72 and 1,628.58 is: 2,444.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,476.40 : 5,217.72 = 1,628.58 : x
  2. Step 2: Convert to fraction form
    3,476.40/5,217.72 = 1,628.58/x
  3. Step 3: Cross multiply
    3,476.40x = 5,217.72 × 1,628.58
  4. Step 4: Simplify right side
    3,476.40x = 8,497,474.44
  5. Step 5: Solve for x
    x = 8,497,474.44/3,476.40
  6. Step 6: Final answer
    x = 2,444.33

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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.