Home / 3,507.09-5,257.38-1,317.27

Finding the Fourth Proportional to 3,507.09, 5,257.38 and 1,317.27

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Solution

The fourth proportional to 3,507.09, 5,257.38 and 1,317.27 is: 1,974.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,507.09 : 5,257.38 = 1,317.27 : x
  2. Step 2: Convert to fraction form
    3,507.09/5,257.38 = 1,317.27/x
  3. Step 3: Cross multiply
    3,507.09x = 5,257.38 × 1,317.27
  4. Step 4: Simplify right side
    3,507.09x = 6,925,388.95
  5. Step 5: Solve for x
    x = 6,925,388.95/3,507.09
  6. Step 6: Final answer
    x = 1,974.68

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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.