Home / 2,769.39-4,153.68-1,038.02

Finding the Fourth Proportional to 2,769.39, 4,153.68 and 1,038.02

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Solution

The fourth proportional to 2,769.39, 4,153.68 and 1,038.02 is: 1,556.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,769.39 : 4,153.68 = 1,038.02 : x
  2. Step 2: Convert to fraction form
    2,769.39/4,153.68 = 1,038.02/x
  3. Step 3: Cross multiply
    2,769.39x = 4,153.68 × 1,038.02
  4. Step 4: Simplify right side
    2,769.39x = 4,311,582.15
  5. Step 5: Solve for x
    x = 4,311,582.15/2,769.39
  6. Step 6: Final answer
    x = 1,556.87

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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.