Home / 1,540.36-2,125.80-950.92

Finding the Fourth Proportional to 1,540.36, 2,125.80 and 950.92

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Solution

The fourth proportional to 1,540.36, 2,125.80 and 950.92 is: 1,312.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,540.36 : 2,125.80 = 950.92 : x
  2. Step 2: Convert to fraction form
    1,540.36/2,125.80 = 950.92/x
  3. Step 3: Cross multiply
    1,540.36x = 2,125.80 × 950.92
  4. Step 4: Simplify right side
    1,540.36x = 2,021,465.74
  5. Step 5: Solve for x
    x = 2,021,465.74/1,540.36
  6. Step 6: Final answer
    x = 1,312.33

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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.