Home / 2,429.84-3,644.76-1,042.28

Finding the Fourth Proportional to 2,429.84, 3,644.76 and 1,042.28

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Solution

The fourth proportional to 2,429.84, 3,644.76 and 1,042.28 is: 1,563.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,429.84 : 3,644.76 = 1,042.28 : x
  2. Step 2: Convert to fraction form
    2,429.84/3,644.76 = 1,042.28/x
  3. Step 3: Cross multiply
    2,429.84x = 3,644.76 × 1,042.28
  4. Step 4: Simplify right side
    2,429.84x = 3,798,860.45
  5. Step 5: Solve for x
    x = 3,798,860.45/2,429.84
  6. Step 6: Final answer
    x = 1,563.42

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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.