Home / 2,479.86-3,717.90-1,933.20

Finding the Fourth Proportional to 2,479.86, 3,717.90 and 1,933.20

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Solution

The fourth proportional to 2,479.86, 3,717.90 and 1,933.20 is: 2,898.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,479.86 : 3,717.90 = 1,933.20 : x
  2. Step 2: Convert to fraction form
    2,479.86/3,717.90 = 1,933.20/x
  3. Step 3: Cross multiply
    2,479.86x = 3,717.90 × 1,933.20
  4. Step 4: Simplify right side
    2,479.86x = 7,187,444.28
  5. Step 5: Solve for x
    x = 7,187,444.28/2,479.86
  6. Step 6: Final answer
    x = 2,898.33

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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.