Home / 2,576.45-3,555.52-1,513.93

Finding the Fourth Proportional to 2,576.45, 3,555.52 and 1,513.93

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Solution

The fourth proportional to 2,576.45, 3,555.52 and 1,513.93 is: 2,089.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,576.45 : 3,555.52 = 1,513.93 : x
  2. Step 2: Convert to fraction form
    2,576.45/3,555.52 = 1,513.93/x
  3. Step 3: Cross multiply
    2,576.45x = 3,555.52 × 1,513.93
  4. Step 4: Simplify right side
    2,576.45x = 5,382,783.05
  5. Step 5: Solve for x
    x = 5,382,783.05/2,576.45
  6. Step 6: Final answer
    x = 2,089.23

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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.