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Finding the Fourth Proportional to 2,495.07, 3,742.60 and 935.81

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Solution

The fourth proportional to 2,495.07, 3,742.60 and 935.81 is: 1,403.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,495.07 : 3,742.60 = 935.81 : x
  2. Step 2: Convert to fraction form
    2,495.07/3,742.60 = 935.81/x
  3. Step 3: Cross multiply
    2,495.07x = 3,742.60 × 935.81
  4. Step 4: Simplify right side
    2,495.07x = 3,502,362.51
  5. Step 5: Solve for x
    x = 3,502,362.51/2,495.07
  6. Step 6: Final answer
    x = 1,403.71

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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.