Home / 2,031.33-3,045.09-936.57

Finding the Fourth Proportional to 2,031.33, 3,045.09 and 936.57

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Solution

The fourth proportional to 2,031.33, 3,045.09 and 936.57 is: 1,403.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,031.33 : 3,045.09 = 936.57 : x
  2. Step 2: Convert to fraction form
    2,031.33/3,045.09 = 936.57/x
  3. Step 3: Cross multiply
    2,031.33x = 3,045.09 × 936.57
  4. Step 4: Simplify right side
    2,031.33x = 2,851,939.94
  5. Step 5: Solve for x
    x = 2,851,939.94/2,031.33
  6. Step 6: Final answer
    x = 1,403.98

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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.