Home / 3,448.08-5,171.84-1,257.30

Finding the Fourth Proportional to 3,448.08, 5,171.84 and 1,257.30

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Solution

The fourth proportional to 3,448.08, 5,171.84 and 1,257.30 is: 1,885.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,448.08 : 5,171.84 = 1,257.30 : x
  2. Step 2: Convert to fraction form
    3,448.08/5,171.84 = 1,257.30/x
  3. Step 3: Cross multiply
    3,448.08x = 5,171.84 × 1,257.30
  4. Step 4: Simplify right side
    3,448.08x = 6,502,548.15
  5. Step 5: Solve for x
    x = 6,502,548.15/3,448.08
  6. Step 6: Final answer
    x = 1,885.85

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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.