Home / 3,682.45-5,515.57-2,854.23

Finding the Fourth Proportional to 3,682.45, 5,515.57 and 2,854.23

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Solution

The fourth proportional to 3,682.45, 5,515.57 and 2,854.23 is: 4,275.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,682.45 : 5,515.57 = 2,854.23 : x
  2. Step 2: Convert to fraction form
    3,682.45/5,515.57 = 2,854.23/x
  3. Step 3: Cross multiply
    3,682.45x = 5,515.57 × 2,854.23
  4. Step 4: Simplify right side
    3,682.45x = 15,742,705.36
  5. Step 5: Solve for x
    x = 15,742,705.36/3,682.45
  6. Step 6: Final answer
    x = 4,275.06

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1.5x scale

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.