Home / 2,405.25-3,319.25-1,301.25

Finding the Fourth Proportional to 2,405.25, 3,319.25 and 1,301.25

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Solution

The fourth proportional to 2,405.25, 3,319.25 and 1,301.25 is: 1,795.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,405.25 : 3,319.25 = 1,301.25 : x
  2. Step 2: Convert to fraction form
    2,405.25/3,319.25 = 1,301.25/x
  3. Step 3: Cross multiply
    2,405.25x = 3,319.25 × 1,301.25
  4. Step 4: Simplify right side
    2,405.25x = 4,319,167.56
  5. Step 5: Solve for x
    x = 4,319,167.56/2,405.25
  6. Step 6: Final answer
    x = 1,795.73

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1.5x scale

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.