Home / 1,540.07-2,125.41-950.39

Finding the Fourth Proportional to 1,540.07, 2,125.41 and 950.39

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Solution

The fourth proportional to 1,540.07, 2,125.41 and 950.39 is: 1,311.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,540.07 : 2,125.41 = 950.39 : x
  2. Step 2: Convert to fraction form
    1,540.07/2,125.41 = 950.39/x
  3. Step 3: Cross multiply
    1,540.07x = 2,125.41 × 950.39
  4. Step 4: Simplify right side
    1,540.07x = 2,019,968.41
  5. Step 5: Solve for x
    x = 2,019,968.41/1,540.07
  6. Step 6: Final answer
    x = 1,311.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.