Home / 3,124.68-4,310.02-2,003.84

Finding the Fourth Proportional to 3,124.68, 4,310.02 and 2,003.84

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Solution

The fourth proportional to 3,124.68, 4,310.02 and 2,003.84 is: 2,763.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,124.68 : 4,310.02 = 2,003.84 : x
  2. Step 2: Convert to fraction form
    3,124.68/4,310.02 = 2,003.84/x
  3. Step 3: Cross multiply
    3,124.68x = 4,310.02 × 2,003.84
  4. Step 4: Simplify right side
    3,124.68x = 8,636,587.59
  5. Step 5: Solve for x
    x = 8,636,587.59/3,124.68
  6. Step 6: Final answer
    x = 2,763.99

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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.