Home / 2,539.84-3,803.28-2,151.04

Finding the Fourth Proportional to 2,539.84, 3,803.28 and 2,151.04

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Solution

The fourth proportional to 2,539.84, 3,803.28 and 2,151.04 is: 3,221.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,539.84 : 3,803.28 = 2,151.04 : x
  2. Step 2: Convert to fraction form
    2,539.84/3,803.28 = 2,151.04/x
  3. Step 3: Cross multiply
    2,539.84x = 3,803.28 × 2,151.04
  4. Step 4: Simplify right side
    2,539.84x = 8,181,007.41
  5. Step 5: Solve for x
    x = 8,181,007.41/2,539.84
  6. Step 6: Final answer
    x = 3,221.07

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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.