Home / 1,867.49-2,797.59-1,372.99

Finding the Fourth Proportional to 1,867.49, 2,797.59 and 1,372.99

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Solution

The fourth proportional to 1,867.49, 2,797.59 and 1,372.99 is: 2,056.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,867.49 : 2,797.59 = 1,372.99 : x
  2. Step 2: Convert to fraction form
    1,867.49/2,797.59 = 1,372.99/x
  3. Step 3: Cross multiply
    1,867.49x = 2,797.59 × 1,372.99
  4. Step 4: Simplify right side
    1,867.49x = 3,841,049.11
  5. Step 5: Solve for x
    x = 3,841,049.11/1,867.49
  6. Step 6: Final answer
    x = 2,056.80

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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.