Home / 3,460.26-5,190.52-1,381.26

Finding the Fourth Proportional to 3,460.26, 5,190.52 and 1,381.26

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Solution

The fourth proportional to 3,460.26, 5,190.52 and 1,381.26 is: 2,071.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,460.26 : 5,190.52 = 1,381.26 : x
  2. Step 2: Convert to fraction form
    3,460.26/5,190.52 = 1,381.26/x
  3. Step 3: Cross multiply
    3,460.26x = 5,190.52 × 1,381.26
  4. Step 4: Simplify right side
    3,460.26x = 7,169,457.66
  5. Step 5: Solve for x
    x = 7,169,457.66/3,460.26
  6. Step 6: Final answer
    x = 2,071.94

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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.