Home / 2,429.60-3,642.24-1,133.60

Finding the Fourth Proportional to 2,429.60, 3,642.24 and 1,133.60

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Solution

The fourth proportional to 2,429.60, 3,642.24 and 1,133.60 is: 1,699.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,429.60 : 3,642.24 = 1,133.60 : x
  2. Step 2: Convert to fraction form
    2,429.60/3,642.24 = 1,133.60/x
  3. Step 3: Cross multiply
    2,429.60x = 3,642.24 × 1,133.60
  4. Step 4: Simplify right side
    2,429.60x = 4,128,843.26
  5. Step 5: Solve for x
    x = 4,128,843.26/2,429.60
  6. Step 6: Final answer
    x = 1,699.39

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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.