Home / 3,057.57-4,586.60-977.87

Finding the Fourth Proportional to 3,057.57, 4,586.60 and 977.87

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Solution

The fourth proportional to 3,057.57, 4,586.60 and 977.87 is: 1,466.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,057.57 : 4,586.60 = 977.87 : x
  2. Step 2: Convert to fraction form
    3,057.57/4,586.60 = 977.87/x
  3. Step 3: Cross multiply
    3,057.57x = 4,586.60 × 977.87
  4. Step 4: Simplify right side
    3,057.57x = 4,485,098.54
  5. Step 5: Solve for x
    x = 4,485,098.54/3,057.57
  6. Step 6: Final answer
    x = 1,466.88

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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.