Home / 3,391.19-5,087.16-926.03

Finding the Fourth Proportional to 3,391.19, 5,087.16 and 926.03

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Solution

The fourth proportional to 3,391.19, 5,087.16 and 926.03 is: 1,389.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,391.19 : 5,087.16 = 926.03 : x
  2. Step 2: Convert to fraction form
    3,391.19/5,087.16 = 926.03/x
  3. Step 3: Cross multiply
    3,391.19x = 5,087.16 × 926.03
  4. Step 4: Simplify right side
    3,391.19x = 4,710,837.34
  5. Step 5: Solve for x
    x = 4,710,837.34/3,391.19
  6. Step 6: Final answer
    x = 1,389.14

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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.