Home / 2,433.49-3,644.39-1,390.33

Finding the Fourth Proportional to 2,433.49, 3,644.39 and 1,390.33

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Solution

The fourth proportional to 2,433.49, 3,644.39 and 1,390.33 is: 2,082.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,433.49 : 3,644.39 = 1,390.33 : x
  2. Step 2: Convert to fraction form
    2,433.49/3,644.39 = 1,390.33/x
  3. Step 3: Cross multiply
    2,433.49x = 3,644.39 × 1,390.33
  4. Step 4: Simplify right side
    2,433.49x = 5,066,904.75
  5. Step 5: Solve for x
    x = 5,066,904.75/2,433.49
  6. Step 6: Final answer
    x = 2,082.16

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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.