Home / 3,730.31-5,145.89-2,313.54

Finding the Fourth Proportional to 3,730.31, 5,145.89 and 2,313.54

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Solution

The fourth proportional to 3,730.31, 5,145.89 and 2,313.54 is: 3,191.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,730.31 : 5,145.89 = 2,313.54 : x
  2. Step 2: Convert to fraction form
    3,730.31/5,145.89 = 2,313.54/x
  3. Step 3: Cross multiply
    3,730.31x = 5,145.89 × 2,313.54
  4. Step 4: Simplify right side
    3,730.31x = 11,905,210.78
  5. Step 5: Solve for x
    x = 11,905,210.78/3,730.31
  6. Step 6: Final answer
    x = 3,191.48

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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.