Home / 3,730.70-5,140.94-2,665.46

Finding the Fourth Proportional to 3,730.70, 5,140.94 and 2,665.46

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Solution

The fourth proportional to 3,730.70, 5,140.94 and 2,665.46 is: 3,673.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,730.70 : 5,140.94 = 2,665.46 : x
  2. Step 2: Convert to fraction form
    3,730.70/5,140.94 = 2,665.46/x
  3. Step 3: Cross multiply
    3,730.70x = 5,140.94 × 2,665.46
  4. Step 4: Simplify right side
    3,730.70x = 13,702,969.93
  5. Step 5: Solve for x
    x = 13,702,969.93/3,730.70
  6. Step 6: Final answer
    x = 3,673.03

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1.5x scale

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.