Home / 2,391.39-3,588.21-1,005.03

Finding the Fourth Proportional to 2,391.39, 3,588.21 and 1,005.03

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Solution

The fourth proportional to 2,391.39, 3,588.21 and 1,005.03 is: 1,508.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,391.39 : 3,588.21 = 1,005.03 : x
  2. Step 2: Convert to fraction form
    2,391.39/3,588.21 = 1,005.03/x
  3. Step 3: Cross multiply
    2,391.39x = 3,588.21 × 1,005.03
  4. Step 4: Simplify right side
    2,391.39x = 3,606,258.70
  5. Step 5: Solve for x
    x = 3,606,258.70/2,391.39
  6. Step 6: Final answer
    x = 1,508.02

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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.