Home / 2,572.28-3,549.81-1,576.99

Finding the Fourth Proportional to 2,572.28, 3,549.81 and 1,576.99

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Solution

The fourth proportional to 2,572.28, 3,549.81 and 1,576.99 is: 2,176.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,572.28 : 3,549.81 = 1,576.99 : x
  2. Step 2: Convert to fraction form
    2,572.28/3,549.81 = 1,576.99/x
  3. Step 3: Cross multiply
    2,572.28x = 3,549.81 × 1,576.99
  4. Step 4: Simplify right side
    2,572.28x = 5,597,997.12
  5. Step 5: Solve for x
    x = 5,597,997.12/2,572.28
  6. Step 6: Final answer
    x = 2,176.28

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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.