Home / 2,392.12-3,299.70-1,459

Finding the Fourth Proportional to 2,392.12, 3,299.70 and 1,459

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Solution

The fourth proportional to 2,392.12, 3,299.70 and 1,459 is: 2,012.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,392.12 : 3,299.70 = 1,459 : x
  2. Step 2: Convert to fraction form
    2,392.12/3,299.70 = 1,459/x
  3. Step 3: Cross multiply
    2,392.12x = 3,299.70 × 1,459
  4. Step 4: Simplify right side
    2,392.12x = 4,814,262.30
  5. Step 5: Solve for x
    x = 4,814,262.30/2,392.12
  6. Step 6: Final answer
    x = 2,012.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.