Home / 2,576.59-3,555.68-1,397.66

Finding the Fourth Proportional to 2,576.59, 3,555.68 and 1,397.66

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Solution

The fourth proportional to 2,576.59, 3,555.68 and 1,397.66 is: 1,928.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,576.59 : 3,555.68 = 1,397.66 : x
  2. Step 2: Convert to fraction form
    2,576.59/3,555.68 = 1,397.66/x
  3. Step 3: Cross multiply
    2,576.59x = 3,555.68 × 1,397.66
  4. Step 4: Simplify right side
    2,576.59x = 4,969,606.94
  5. Step 5: Solve for x
    x = 4,969,606.94/2,576.59
  6. Step 6: Final answer
    x = 1,928.76

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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.