Home / 2,564.28-3,537.87-1,555.62

Finding the Fourth Proportional to 2,564.28, 3,537.87 and 1,555.62

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Solution

The fourth proportional to 2,564.28, 3,537.87 and 1,555.62 is: 2,146.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,564.28 : 3,537.87 = 1,555.62 : x
  2. Step 2: Convert to fraction form
    2,564.28/3,537.87 = 1,555.62/x
  3. Step 3: Cross multiply
    2,564.28x = 3,537.87 × 1,555.62
  4. Step 4: Simplify right side
    2,564.28x = 5,503,581.33
  5. Step 5: Solve for x
    x = 5,503,581.33/2,564.28
  6. Step 6: Final answer
    x = 2,146.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.