Home / 2,576.44-3,555.39-1,397.49

Finding the Fourth Proportional to 2,576.44, 3,555.39 and 1,397.49

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Solution

The fourth proportional to 2,576.44, 3,555.39 and 1,397.49 is: 1,928.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,576.44 : 3,555.39 = 1,397.49 : x
  2. Step 2: Convert to fraction form
    2,576.44/3,555.39 = 1,397.49/x
  3. Step 3: Cross multiply
    2,576.44x = 3,555.39 × 1,397.49
  4. Step 4: Simplify right side
    2,576.44x = 4,968,613.88
  5. Step 5: Solve for x
    x = 4,968,613.88/2,576.44
  6. Step 6: Final answer
    x = 1,928.48

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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.