Home / 3,790.08-5,686.50-1,325.27

Finding the Fourth Proportional to 3,790.08, 5,686.50 and 1,325.27

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Solution

The fourth proportional to 3,790.08, 5,686.50 and 1,325.27 is: 1,988.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,790.08 : 5,686.50 = 1,325.27 : x
  2. Step 2: Convert to fraction form
    3,790.08/5,686.50 = 1,325.27/x
  3. Step 3: Cross multiply
    3,790.08x = 5,686.50 × 1,325.27
  4. Step 4: Simplify right side
    3,790.08x = 7,536,119.42
  5. Step 5: Solve for x
    x = 7,536,119.42/3,790.08
  6. Step 6: Final answer
    x = 1,988.38

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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.