Home / 2,281.72-3,424.36-1,049.68

Finding the Fourth Proportional to 2,281.72, 3,424.36 and 1,049.68

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Solution

The fourth proportional to 2,281.72, 3,424.36 and 1,049.68 is: 1,575.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,281.72 : 3,424.36 = 1,049.68 : x
  2. Step 2: Convert to fraction form
    2,281.72/3,424.36 = 1,049.68/x
  3. Step 3: Cross multiply
    2,281.72x = 3,424.36 × 1,049.68
  4. Step 4: Simplify right side
    2,281.72x = 3,594,482.20
  5. Step 5: Solve for x
    x = 3,594,482.20/2,281.72
  6. Step 6: Final answer
    x = 1,575.34

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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.