Home / 2,174.64-3,257.85-1,685.30

Finding the Fourth Proportional to 2,174.64, 3,257.85 and 1,685.30

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Solution

The fourth proportional to 2,174.64, 3,257.85 and 1,685.30 is: 2,524.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,174.64 : 3,257.85 = 1,685.30 : x
  2. Step 2: Convert to fraction form
    2,174.64/3,257.85 = 1,685.30/x
  3. Step 3: Cross multiply
    2,174.64x = 3,257.85 × 1,685.30
  4. Step 4: Simplify right side
    2,174.64x = 5,490,444.64
  5. Step 5: Solve for x
    x = 5,490,444.64/2,174.64
  6. Step 6: Final answer
    x = 2,524.76

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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.