Home / 3,153.82-4,728.15-1,306.26

Finding the Fourth Proportional to 3,153.82, 4,728.15 and 1,306.26

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Solution

The fourth proportional to 3,153.82, 4,728.15 and 1,306.26 is: 1,958.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153.82 : 4,728.15 = 1,306.26 : x
  2. Step 2: Convert to fraction form
    3,153.82/4,728.15 = 1,306.26/x
  3. Step 3: Cross multiply
    3,153.82x = 4,728.15 × 1,306.26
  4. Step 4: Simplify right side
    3,153.82x = 6,176,193.22
  5. Step 5: Solve for x
    x = 6,176,193.22/3,153.82
  6. Step 6: Final answer
    x = 1,958.32

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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.