Home / 2,548.12-3,516.18-1,553.70

Finding the Fourth Proportional to 2,548.12, 3,516.18 and 1,553.70

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Solution

The fourth proportional to 2,548.12, 3,516.18 and 1,553.70 is: 2,143.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,548.12 : 3,516.18 = 1,553.70 : x
  2. Step 2: Convert to fraction form
    2,548.12/3,516.18 = 1,553.70/x
  3. Step 3: Cross multiply
    2,548.12x = 3,516.18 × 1,553.70
  4. Step 4: Simplify right side
    2,548.12x = 5,463,088.87
  5. Step 5: Solve for x
    x = 5,463,088.87/2,548.12
  6. Step 6: Final answer
    x = 2,143.97

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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.