Home / 3,711.78-5,567.64-1,114.68

Finding the Fourth Proportional to 3,711.78, 5,567.64 and 1,114.68

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Solution

The fourth proportional to 3,711.78, 5,567.64 and 1,114.68 is: 1,672.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,711.78 : 5,567.64 = 1,114.68 : x
  2. Step 2: Convert to fraction form
    3,711.78/5,567.64 = 1,114.68/x
  3. Step 3: Cross multiply
    3,711.78x = 5,567.64 × 1,114.68
  4. Step 4: Simplify right side
    3,711.78x = 6,206,136.96
  5. Step 5: Solve for x
    x = 6,206,136.96/3,711.78
  6. Step 6: Final answer
    x = 1,672.01

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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.