Home / 1,828.48-2,522.28-1,129.36

Finding the Fourth Proportional to 1,828.48, 2,522.28 and 1,129.36

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Solution

The fourth proportional to 1,828.48, 2,522.28 and 1,129.36 is: 1,557.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,828.48 : 2,522.28 = 1,129.36 : x
  2. Step 2: Convert to fraction form
    1,828.48/2,522.28 = 1,129.36/x
  3. Step 3: Cross multiply
    1,828.48x = 2,522.28 × 1,129.36
  4. Step 4: Simplify right side
    1,828.48x = 2,848,562.14
  5. Step 5: Solve for x
    x = 2,848,562.14/1,828.48
  6. Step 6: Final answer
    x = 1,557.89

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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.