Home / 3,815.22-5,265.53-2,756.41

Finding the Fourth Proportional to 3,815.22, 5,265.53 and 2,756.41

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Solution

The fourth proportional to 3,815.22, 5,265.53 and 2,756.41 is: 3,804.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,815.22 : 5,265.53 = 2,756.41 : x
  2. Step 2: Convert to fraction form
    3,815.22/5,265.53 = 2,756.41/x
  3. Step 3: Cross multiply
    3,815.22x = 5,265.53 × 2,756.41
  4. Step 4: Simplify right side
    3,815.22x = 14,513,953.27
  5. Step 5: Solve for x
    x = 14,513,953.27/3,815.22
  6. Step 6: Final answer
    x = 3,804.23

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1.5x scale

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.