Home / 3,580-4,938.72-2,532.64

Finding the Fourth Proportional to 3,580, 4,938.72 and 2,532.64

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Solution

The fourth proportional to 3,580, 4,938.72 and 2,532.64 is: 3,493.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,580 : 4,938.72 = 2,532.64 : x
  2. Step 2: Convert to fraction form
    3,580/4,938.72 = 2,532.64/x
  3. Step 3: Cross multiply
    3,580x = 4,938.72 × 2,532.64
  4. Step 4: Simplify right side
    3,580x = 12,507,999.82
  5. Step 5: Solve for x
    x = 12,507,999.82/3,580
  6. Step 6: Final answer
    x = 3,493.85

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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.