Home / 2,317.60-3,477.21-1,221.27

Finding the Fourth Proportional to 2,317.60, 3,477.21 and 1,221.27

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Solution

The fourth proportional to 2,317.60, 3,477.21 and 1,221.27 is: 1,832.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,317.60 : 3,477.21 = 1,221.27 : x
  2. Step 2: Convert to fraction form
    2,317.60/3,477.21 = 1,221.27/x
  3. Step 3: Cross multiply
    2,317.60x = 3,477.21 × 1,221.27
  4. Step 4: Simplify right side
    2,317.60x = 4,246,612.26
  5. Step 5: Solve for x
    x = 4,246,612.26/2,317.60
  6. Step 6: Final answer
    x = 1,832.33

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.