Home / 1,204.38-1,809.36-1,045.98

Finding the Fourth Proportional to 1,204.38, 1,809.36 and 1,045.98

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Solution

The fourth proportional to 1,204.38, 1,809.36 and 1,045.98 is: 1,571.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204.38 : 1,809.36 = 1,045.98 : x
  2. Step 2: Convert to fraction form
    1,204.38/1,809.36 = 1,045.98/x
  3. Step 3: Cross multiply
    1,204.38x = 1,809.36 × 1,045.98
  4. Step 4: Simplify right side
    1,204.38x = 1,892,554.37
  5. Step 5: Solve for x
    x = 1,892,554.37/1,204.38
  6. Step 6: Final answer
    x = 1,571.39

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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.