Home / 2,281.92-3,421.26-1,048.68

Finding the Fourth Proportional to 2,281.92, 3,421.26 and 1,048.68

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Solution

The fourth proportional to 2,281.92, 3,421.26 and 1,048.68 is: 1,572.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,281.92 : 3,421.26 = 1,048.68 : x
  2. Step 2: Convert to fraction form
    2,281.92/3,421.26 = 1,048.68/x
  3. Step 3: Cross multiply
    2,281.92x = 3,421.26 × 1,048.68
  4. Step 4: Simplify right side
    2,281.92x = 3,587,806.94
  5. Step 5: Solve for x
    x = 3,587,806.94/2,281.92
  6. Step 6: Final answer
    x = 1,572.28

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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.