Home / 3,903.88-5,853.66-1,306.12

Finding the Fourth Proportional to 3,903.88, 5,853.66 and 1,306.12

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Solution

The fourth proportional to 3,903.88, 5,853.66 and 1,306.12 is: 1,958.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,903.88 : 5,853.66 = 1,306.12 : x
  2. Step 2: Convert to fraction form
    3,903.88/5,853.66 = 1,306.12/x
  3. Step 3: Cross multiply
    3,903.88x = 5,853.66 × 1,306.12
  4. Step 4: Simplify right side
    3,903.88x = 7,645,582.40
  5. Step 5: Solve for x
    x = 7,645,582.40/3,903.88
  6. Step 6: Final answer
    x = 1,958.46

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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.