Home / 2,685.76-4,028.33-1,043.48

Finding the Fourth Proportional to 2,685.76, 4,028.33 and 1,043.48

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Solution

The fourth proportional to 2,685.76, 4,028.33 and 1,043.48 is: 1,565.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,685.76 : 4,028.33 = 1,043.48 : x
  2. Step 2: Convert to fraction form
    2,685.76/4,028.33 = 1,043.48/x
  3. Step 3: Cross multiply
    2,685.76x = 4,028.33 × 1,043.48
  4. Step 4: Simplify right side
    2,685.76x = 4,203,494.47
  5. Step 5: Solve for x
    x = 4,203,494.47/2,685.76
  6. Step 6: Final answer
    x = 1,565.11

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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.