Home / 2,576.27-3,555.26-1,397.34

Finding the Fourth Proportional to 2,576.27, 3,555.26 and 1,397.34

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Solution

The fourth proportional to 2,576.27, 3,555.26 and 1,397.34 is: 1,928.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,576.27 : 3,555.26 = 1,397.34 : x
  2. Step 2: Convert to fraction form
    2,576.27/3,555.26 = 1,397.34/x
  3. Step 3: Cross multiply
    2,576.27x = 3,555.26 × 1,397.34
  4. Step 4: Simplify right side
    2,576.27x = 4,967,907.01
  5. Step 5: Solve for x
    x = 4,967,907.01/2,576.27
  6. Step 6: Final answer
    x = 1,928.33

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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.