Home / 3,038.96-4,556.61-1,187.87

Finding the Fourth Proportional to 3,038.96, 4,556.61 and 1,187.87

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Solution

The fourth proportional to 3,038.96, 4,556.61 and 1,187.87 is: 1,781.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,038.96 : 4,556.61 = 1,187.87 : x
  2. Step 2: Convert to fraction form
    3,038.96/4,556.61 = 1,187.87/x
  3. Step 3: Cross multiply
    3,038.96x = 4,556.61 × 1,187.87
  4. Step 4: Simplify right side
    3,038.96x = 5,412,651.90
  5. Step 5: Solve for x
    x = 5,412,651.90/3,038.96
  6. Step 6: Final answer
    x = 1,781.09

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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.