Home / 2,569.56-3,845.28-1,910.08

Finding the Fourth Proportional to 2,569.56, 3,845.28 and 1,910.08

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Solution

The fourth proportional to 2,569.56, 3,845.28 and 1,910.08 is: 2,858.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,569.56 : 3,845.28 = 1,910.08 : x
  2. Step 2: Convert to fraction form
    2,569.56/3,845.28 = 1,910.08/x
  3. Step 3: Cross multiply
    2,569.56x = 3,845.28 × 1,910.08
  4. Step 4: Simplify right side
    2,569.56x = 7,344,792.42
  5. Step 5: Solve for x
    x = 7,344,792.42/2,569.56
  6. Step 6: Final answer
    x = 2,858.39

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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.