Home / 3,529.82-4,871.14-2,113.57

Finding the Fourth Proportional to 3,529.82, 4,871.14 and 2,113.57

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Solution

The fourth proportional to 3,529.82, 4,871.14 and 2,113.57 is: 2,916.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,529.82 : 4,871.14 = 2,113.57 : x
  2. Step 2: Convert to fraction form
    3,529.82/4,871.14 = 2,113.57/x
  3. Step 3: Cross multiply
    3,529.82x = 4,871.14 × 2,113.57
  4. Step 4: Simplify right side
    3,529.82x = 10,295,495.37
  5. Step 5: Solve for x
    x = 10,295,495.37/3,529.82
  6. Step 6: Final answer
    x = 2,916.72

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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.