Home / 2,029.60-3,044.40-1,154.80

Finding the Fourth Proportional to 2,029.60, 3,044.40 and 1,154.80

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Solution

The fourth proportional to 2,029.60, 3,044.40 and 1,154.80 is: 1,732.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,029.60 : 3,044.40 = 1,154.80 : x
  2. Step 2: Convert to fraction form
    2,029.60/3,044.40 = 1,154.80/x
  3. Step 3: Cross multiply
    2,029.60x = 3,044.40 × 1,154.80
  4. Step 4: Simplify right side
    2,029.60x = 3,515,673.12
  5. Step 5: Solve for x
    x = 3,515,673.12/2,029.60
  6. Step 6: Final answer
    x = 1,732.20

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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.