Home / 2,454.60-3,683.13-1,221.96

Finding the Fourth Proportional to 2,454.60, 3,683.13 and 1,221.96

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Solution

The fourth proportional to 2,454.60, 3,683.13 and 1,221.96 is: 1,833.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,454.60 : 3,683.13 = 1,221.96 : x
  2. Step 2: Convert to fraction form
    2,454.60/3,683.13 = 1,221.96/x
  3. Step 3: Cross multiply
    2,454.60x = 3,683.13 × 1,221.96
  4. Step 4: Simplify right side
    2,454.60x = 4,500,637.53
  5. Step 5: Solve for x
    x = 4,500,637.53/2,454.60
  6. Step 6: Final answer
    x = 1,833.55

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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.