Home / 2,669.47-4,003.81-1,932.61

Finding the Fourth Proportional to 2,669.47, 4,003.81 and 1,932.61

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Solution

The fourth proportional to 2,669.47, 4,003.81 and 1,932.61 is: 2,898.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,669.47 : 4,003.81 = 1,932.61 : x
  2. Step 2: Convert to fraction form
    2,669.47/4,003.81 = 1,932.61/x
  3. Step 3: Cross multiply
    2,669.47x = 4,003.81 × 1,932.61
  4. Step 4: Simplify right side
    2,669.47x = 7,737,803.24
  5. Step 5: Solve for x
    x = 7,737,803.24/2,669.47
  6. Step 6: Final answer
    x = 2,898.63

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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.