Home / 2,325.81-3,488.73-1,172.37

Finding the Fourth Proportional to 2,325.81, 3,488.73 and 1,172.37

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Solution

The fourth proportional to 2,325.81, 3,488.73 and 1,172.37 is: 1,758.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,325.81 : 3,488.73 = 1,172.37 : x
  2. Step 2: Convert to fraction form
    2,325.81/3,488.73 = 1,172.37/x
  3. Step 3: Cross multiply
    2,325.81x = 3,488.73 × 1,172.37
  4. Step 4: Simplify right side
    2,325.81x = 4,090,082.39
  5. Step 5: Solve for x
    x = 4,090,082.39/2,325.81
  6. Step 6: Final answer
    x = 1,758.56

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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.