Home / 3,459.43-5,187.86-1,237.66

Finding the Fourth Proportional to 3,459.43, 5,187.86 and 1,237.66

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Solution

The fourth proportional to 3,459.43, 5,187.86 and 1,237.66 is: 1,856.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,459.43 : 5,187.86 = 1,237.66 : x
  2. Step 2: Convert to fraction form
    3,459.43/5,187.86 = 1,237.66/x
  3. Step 3: Cross multiply
    3,459.43x = 5,187.86 × 1,237.66
  4. Step 4: Simplify right side
    3,459.43x = 6,420,806.81
  5. Step 5: Solve for x
    x = 6,420,806.81/3,459.43
  6. Step 6: Final answer
    x = 1,856.03

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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.