Home / 3,901.76-5,853.36-1,306.56

Finding the Fourth Proportional to 3,901.76, 5,853.36 and 1,306.56

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Solution

The fourth proportional to 3,901.76, 5,853.36 and 1,306.56 is: 1,960.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,901.76 : 5,853.36 = 1,306.56 : x
  2. Step 2: Convert to fraction form
    3,901.76/5,853.36 = 1,306.56/x
  3. Step 3: Cross multiply
    3,901.76x = 5,853.36 × 1,306.56
  4. Step 4: Simplify right side
    3,901.76x = 7,647,766.04
  5. Step 5: Solve for x
    x = 7,647,766.04/3,901.76
  6. Step 6: Final answer
    x = 1,960.08

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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.