Home / 2,881.25-4,317.82-1,646.81

Finding the Fourth Proportional to 2,881.25, 4,317.82 and 1,646.81

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Solution

The fourth proportional to 2,881.25, 4,317.82 and 1,646.81 is: 2,467.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,881.25 : 4,317.82 = 1,646.81 : x
  2. Step 2: Convert to fraction form
    2,881.25/4,317.82 = 1,646.81/x
  3. Step 3: Cross multiply
    2,881.25x = 4,317.82 × 1,646.81
  4. Step 4: Simplify right side
    2,881.25x = 7,110,603.45
  5. Step 5: Solve for x
    x = 7,110,603.45/2,881.25
  6. Step 6: Final answer
    x = 2,467.89

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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.