Home / 3,431.83-5,154.64-2,047.87

Finding the Fourth Proportional to 3,431.83, 5,154.64 and 2,047.87

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Solution

The fourth proportional to 3,431.83, 5,154.64 and 2,047.87 is: 3,075.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,431.83 : 5,154.64 = 2,047.87 : x
  2. Step 2: Convert to fraction form
    3,431.83/5,154.64 = 2,047.87/x
  3. Step 3: Cross multiply
    3,431.83x = 5,154.64 × 2,047.87
  4. Step 4: Simplify right side
    3,431.83x = 10,556,032.62
  5. Step 5: Solve for x
    x = 10,556,032.62/3,431.83
  6. Step 6: Final answer
    x = 3,075.92

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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.