Home / 1,717.33-2,369.90-971.43

Finding the Fourth Proportional to 1,717.33, 2,369.90 and 971.43

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Solution

The fourth proportional to 1,717.33, 2,369.90 and 971.43 is: 1,340.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,717.33 : 2,369.90 = 971.43 : x
  2. Step 2: Convert to fraction form
    1,717.33/2,369.90 = 971.43/x
  3. Step 3: Cross multiply
    1,717.33x = 2,369.90 × 971.43
  4. Step 4: Simplify right side
    1,717.33x = 2,302,187.10
  5. Step 5: Solve for x
    x = 2,302,187.10/1,717.33
  6. Step 6: Final answer
    x = 1,340.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.