Home / 3,137.85-4,325.64-2,390.52

Finding the Fourth Proportional to 3,137.85, 4,325.64 and 2,390.52

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Solution

The fourth proportional to 3,137.85, 4,325.64 and 2,390.52 is: 3,295.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,137.85 : 4,325.64 = 2,390.52 : x
  2. Step 2: Convert to fraction form
    3,137.85/4,325.64 = 2,390.52/x
  3. Step 3: Cross multiply
    3,137.85x = 4,325.64 × 2,390.52
  4. Step 4: Simplify right side
    3,137.85x = 10,340,528.93
  5. Step 5: Solve for x
    x = 10,340,528.93/3,137.85
  6. Step 6: Final answer
    x = 3,295.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.