Home / 3,942.76-5,918.24-2,903.93

Finding the Fourth Proportional to 3,942.76, 5,918.24 and 2,903.93

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Solution

The fourth proportional to 3,942.76, 5,918.24 and 2,903.93 is: 4,358.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942.76 : 5,918.24 = 2,903.93 : x
  2. Step 2: Convert to fraction form
    3,942.76/5,918.24 = 2,903.93/x
  3. Step 3: Cross multiply
    3,942.76x = 5,918.24 × 2,903.93
  4. Step 4: Simplify right side
    3,942.76x = 17,186,140.16
  5. Step 5: Solve for x
    x = 17,186,140.16/3,942.76
  6. Step 6: Final answer
    x = 4,358.92

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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.