Home / 3,271.60-4,911.05-3,123.37

Finding the Fourth Proportional to 3,271.60, 4,911.05 and 3,123.37

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Solution

The fourth proportional to 3,271.60, 4,911.05 and 3,123.37 is: 4,688.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,271.60 : 4,911.05 = 3,123.37 : x
  2. Step 2: Convert to fraction form
    3,271.60/4,911.05 = 3,123.37/x
  3. Step 3: Cross multiply
    3,271.60x = 4,911.05 × 3,123.37
  4. Step 4: Simplify right side
    3,271.60x = 15,339,026.24
  5. Step 5: Solve for x
    x = 15,339,026.24/3,271.60
  6. Step 6: Final answer
    x = 4,688.54

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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.