Home / 3,406.49-5,111.18-1,459.61

Finding the Fourth Proportional to 3,406.49, 5,111.18 and 1,459.61

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Solution

The fourth proportional to 3,406.49, 5,111.18 and 1,459.61 is: 2,190.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,406.49 : 5,111.18 = 1,459.61 : x
  2. Step 2: Convert to fraction form
    3,406.49/5,111.18 = 1,459.61/x
  3. Step 3: Cross multiply
    3,406.49x = 5,111.18 × 1,459.61
  4. Step 4: Simplify right side
    3,406.49x = 7,460,322.14
  5. Step 5: Solve for x
    x = 7,460,322.14/3,406.49
  6. Step 6: Final answer
    x = 2,190.03

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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.