Home / 2,576.57-3,553.32-2,179.07

Finding the Fourth Proportional to 2,576.57, 3,553.32 and 2,179.07

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Solution

The fourth proportional to 2,576.57, 3,553.32 and 2,179.07 is: 3,005.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,576.57 : 3,553.32 = 2,179.07 : x
  2. Step 2: Convert to fraction form
    2,576.57/3,553.32 = 2,179.07/x
  3. Step 3: Cross multiply
    2,576.57x = 3,553.32 × 2,179.07
  4. Step 4: Simplify right side
    2,576.57x = 7,742,917.16
  5. Step 5: Solve for x
    x = 7,742,917.16/2,576.57
  6. Step 6: Final answer
    x = 3,005.13

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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.