Home / 2,459.49-3,687.88-1,680.37

Finding the Fourth Proportional to 2,459.49, 3,687.88 and 1,680.37

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Solution

The fourth proportional to 2,459.49, 3,687.88 and 1,680.37 is: 2,519.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,459.49 : 3,687.88 = 1,680.37 : x
  2. Step 2: Convert to fraction form
    2,459.49/3,687.88 = 1,680.37/x
  3. Step 3: Cross multiply
    2,459.49x = 3,687.88 × 1,680.37
  4. Step 4: Simplify right side
    2,459.49x = 6,196,989.81
  5. Step 5: Solve for x
    x = 6,196,989.81/2,459.49
  6. Step 6: Final answer
    x = 2,519.63

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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.