Home / 2,540.58-3,806.70-1,564.62

Finding the Fourth Proportional to 2,540.58, 3,806.70 and 1,564.62

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Solution

The fourth proportional to 2,540.58, 3,806.70 and 1,564.62 is: 2,344.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,540.58 : 3,806.70 = 1,564.62 : x
  2. Step 2: Convert to fraction form
    2,540.58/3,806.70 = 1,564.62/x
  3. Step 3: Cross multiply
    2,540.58x = 3,806.70 × 1,564.62
  4. Step 4: Simplify right side
    2,540.58x = 5,956,038.95
  5. Step 5: Solve for x
    x = 5,956,038.95/2,540.58
  6. Step 6: Final answer
    x = 2,344.36

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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.