Home / 3,309.12-4,960.35-1,459.91

Finding the Fourth Proportional to 3,309.12, 4,960.35 and 1,459.91

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Solution

The fourth proportional to 3,309.12, 4,960.35 and 1,459.91 is: 2,188.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,309.12 : 4,960.35 = 1,459.91 : x
  2. Step 2: Convert to fraction form
    3,309.12/4,960.35 = 1,459.91/x
  3. Step 3: Cross multiply
    3,309.12x = 4,960.35 × 1,459.91
  4. Step 4: Simplify right side
    3,309.12x = 7,241,649.42
  5. Step 5: Solve for x
    x = 7,241,649.42/3,309.12
  6. Step 6: Final answer
    x = 2,188.39

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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.