Home / 2,592.40-3,889.38-1,553.56

Finding the Fourth Proportional to 2,592.40, 3,889.38 and 1,553.56

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Solution

The fourth proportional to 2,592.40, 3,889.38 and 1,553.56 is: 2,330.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,592.40 : 3,889.38 = 1,553.56 : x
  2. Step 2: Convert to fraction form
    2,592.40/3,889.38 = 1,553.56/x
  3. Step 3: Cross multiply
    2,592.40x = 3,889.38 × 1,553.56
  4. Step 4: Simplify right side
    2,592.40x = 6,042,385.19
  5. Step 5: Solve for x
    x = 6,042,385.19/2,592.40
  6. Step 6: Final answer
    x = 2,330.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.