Home / 1,331.82-1,845.36-1,301.58

Finding the Fourth Proportional to 1,331.82, 1,845.36 and 1,301.58

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Solution

The fourth proportional to 1,331.82, 1,845.36 and 1,301.58 is: 1,803.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331.82 : 1,845.36 = 1,301.58 : x
  2. Step 2: Convert to fraction form
    1,331.82/1,845.36 = 1,301.58/x
  3. Step 3: Cross multiply
    1,331.82x = 1,845.36 × 1,301.58
  4. Step 4: Simplify right side
    1,331.82x = 2,401,883.67
  5. Step 5: Solve for x
    x = 2,401,883.67/1,331.82
  6. Step 6: Final answer
    x = 1,803.46

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.