Home / 3,764.81-5,646.88-2,540.09

Finding the Fourth Proportional to 3,764.81, 5,646.88 and 2,540.09

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Solution

The fourth proportional to 3,764.81, 5,646.88 and 2,540.09 is: 3,809.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,764.81 : 5,646.88 = 2,540.09 : x
  2. Step 2: Convert to fraction form
    3,764.81/5,646.88 = 2,540.09/x
  3. Step 3: Cross multiply
    3,764.81x = 5,646.88 × 2,540.09
  4. Step 4: Simplify right side
    3,764.81x = 14,343,600.71
  5. Step 5: Solve for x
    x = 14,343,600.71/3,764.81
  6. Step 6: Final answer
    x = 3,809.91

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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.