Home / 2,219.08-3,323.10-1,123.96

Finding the Fourth Proportional to 2,219.08, 3,323.10 and 1,123.96

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Solution

The fourth proportional to 2,219.08, 3,323.10 and 1,123.96 is: 1,683.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,219.08 : 3,323.10 = 1,123.96 : x
  2. Step 2: Convert to fraction form
    2,219.08/3,323.10 = 1,123.96/x
  3. Step 3: Cross multiply
    2,219.08x = 3,323.10 × 1,123.96
  4. Step 4: Simplify right side
    2,219.08x = 3,735,031.48
  5. Step 5: Solve for x
    x = 3,735,031.48/2,219.08
  6. Step 6: Final answer
    x = 1,683.14

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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.