Home / 3,448.68-5,174.08-1,257.60

Finding the Fourth Proportional to 3,448.68, 5,174.08 and 1,257.60

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Solution

The fourth proportional to 3,448.68, 5,174.08 and 1,257.60 is: 1,886.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,448.68 : 5,174.08 = 1,257.60 : x
  2. Step 2: Convert to fraction form
    3,448.68/5,174.08 = 1,257.60/x
  3. Step 3: Cross multiply
    3,448.68x = 5,174.08 × 1,257.60
  4. Step 4: Simplify right side
    3,448.68x = 6,506,923.01
  5. Step 5: Solve for x
    x = 6,506,923.01/3,448.68
  6. Step 6: Final answer
    x = 1,886.79

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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.