Home / 2,193.76-3,028.08-1,409.92

Finding the Fourth Proportional to 2,193.76, 3,028.08 and 1,409.92

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Solution

The fourth proportional to 2,193.76, 3,028.08 and 1,409.92 is: 1,946.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,193.76 : 3,028.08 = 1,409.92 : x
  2. Step 2: Convert to fraction form
    2,193.76/3,028.08 = 1,409.92/x
  3. Step 3: Cross multiply
    2,193.76x = 3,028.08 × 1,409.92
  4. Step 4: Simplify right side
    2,193.76x = 4,269,350.55
  5. Step 5: Solve for x
    x = 4,269,350.55/2,193.76
  6. Step 6: Final answer
    x = 1,946.13

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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.