Home / 1,314.80-1,817.79-1,204.10

Finding the Fourth Proportional to 1,314.80, 1,817.79 and 1,204.10

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Solution

The fourth proportional to 1,314.80, 1,817.79 and 1,204.10 is: 1,664.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314.80 : 1,817.79 = 1,204.10 : x
  2. Step 2: Convert to fraction form
    1,314.80/1,817.79 = 1,204.10/x
  3. Step 3: Cross multiply
    1,314.80x = 1,817.79 × 1,204.10
  4. Step 4: Simplify right side
    1,314.80x = 2,188,800.94
  5. Step 5: Solve for x
    x = 2,188,800.94/1,314.80
  6. Step 6: Final answer
    x = 1,664.74

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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.