Home / 2,885.36-4,325.30-936.19

Finding the Fourth Proportional to 2,885.36, 4,325.30 and 936.19

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Solution

The fourth proportional to 2,885.36, 4,325.30 and 936.19 is: 1,403.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,885.36 : 4,325.30 = 936.19 : x
  2. Step 2: Convert to fraction form
    2,885.36/4,325.30 = 936.19/x
  3. Step 3: Cross multiply
    2,885.36x = 4,325.30 × 936.19
  4. Step 4: Simplify right side
    2,885.36x = 4,049,287.11
  5. Step 5: Solve for x
    x = 4,049,287.11/2,885.36
  6. Step 6: Final answer
    x = 1,403.39

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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.