Home / 3,540.68-5,311.06-1,810.52

Finding the Fourth Proportional to 3,540.68, 5,311.06 and 1,810.52

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Solution

The fourth proportional to 3,540.68, 5,311.06 and 1,810.52 is: 2,715.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,540.68 : 5,311.06 = 1,810.52 : x
  2. Step 2: Convert to fraction form
    3,540.68/5,311.06 = 1,810.52/x
  3. Step 3: Cross multiply
    3,540.68x = 5,311.06 × 1,810.52
  4. Step 4: Simplify right side
    3,540.68x = 9,615,749.27
  5. Step 5: Solve for x
    x = 9,615,749.27/3,540.68
  6. Step 6: Final answer
    x = 2,715.80

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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.