Home / 3,056.21-4,217.56-1,658.96

Finding the Fourth Proportional to 3,056.21, 4,217.56 and 1,658.96

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Solution

The fourth proportional to 3,056.21, 4,217.56 and 1,658.96 is: 2,289.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,056.21 : 4,217.56 = 1,658.96 : x
  2. Step 2: Convert to fraction form
    3,056.21/4,217.56 = 1,658.96/x
  3. Step 3: Cross multiply
    3,056.21x = 4,217.56 × 1,658.96
  4. Step 4: Simplify right side
    3,056.21x = 6,996,769.73
  5. Step 5: Solve for x
    x = 6,996,769.73/3,056.21
  6. Step 6: Final answer
    x = 2,289.36

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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.