Home / 3,548.63-5,320.99-1,646.88

Finding the Fourth Proportional to 3,548.63, 5,320.99 and 1,646.88

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Solution

The fourth proportional to 3,548.63, 5,320.99 and 1,646.88 is: 2,469.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,548.63 : 5,320.99 = 1,646.88 : x
  2. Step 2: Convert to fraction form
    3,548.63/5,320.99 = 1,646.88/x
  3. Step 3: Cross multiply
    3,548.63x = 5,320.99 × 1,646.88
  4. Step 4: Simplify right side
    3,548.63x = 8,763,027.89
  5. Step 5: Solve for x
    x = 8,763,027.89/3,548.63
  6. Step 6: Final answer
    x = 2,469.41

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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.