Home / 3,729.48-5,146-2,313.51

Finding the Fourth Proportional to 3,729.48, 5,146 and 2,313.51

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Solution

The fourth proportional to 3,729.48, 5,146 and 2,313.51 is: 3,192.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,729.48 : 5,146 = 2,313.51 : x
  2. Step 2: Convert to fraction form
    3,729.48/5,146 = 2,313.51/x
  3. Step 3: Cross multiply
    3,729.48x = 5,146 × 2,313.51
  4. Step 4: Simplify right side
    3,729.48x = 11,905,322.46
  5. Step 5: Solve for x
    x = 11,905,322.46/3,729.48
  6. Step 6: Final answer
    x = 3,192.22

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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.