Home / 3,459.18-5,188.77-1,267.89

Finding the Fourth Proportional to 3,459.18, 5,188.77 and 1,267.89

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Solution

The fourth proportional to 3,459.18, 5,188.77 and 1,267.89 is: 1,901.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,459.18 : 5,188.77 = 1,267.89 : x
  2. Step 2: Convert to fraction form
    3,459.18/5,188.77 = 1,267.89/x
  3. Step 3: Cross multiply
    3,459.18x = 5,188.77 × 1,267.89
  4. Step 4: Simplify right side
    3,459.18x = 6,578,789.60
  5. Step 5: Solve for x
    x = 6,578,789.60/3,459.18
  6. Step 6: Final answer
    x = 1,901.84

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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.