Home / 2,457.26-3,685.54-1,286.88

Finding the Fourth Proportional to 2,457.26, 3,685.54 and 1,286.88

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Solution

The fourth proportional to 2,457.26, 3,685.54 and 1,286.88 is: 1,930.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,457.26 : 3,685.54 = 1,286.88 : x
  2. Step 2: Convert to fraction form
    2,457.26/3,685.54 = 1,286.88/x
  3. Step 3: Cross multiply
    2,457.26x = 3,685.54 × 1,286.88
  4. Step 4: Simplify right side
    2,457.26x = 4,742,847.72
  5. Step 5: Solve for x
    x = 4,742,847.72/2,457.26
  6. Step 6: Final answer
    x = 1,930.14

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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.