Home / 2,709.79-3,733.70-1,824.05

Finding the Fourth Proportional to 2,709.79, 3,733.70 and 1,824.05

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Solution

The fourth proportional to 2,709.79, 3,733.70 and 1,824.05 is: 2,513.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,709.79 : 3,733.70 = 1,824.05 : x
  2. Step 2: Convert to fraction form
    2,709.79/3,733.70 = 1,824.05/x
  3. Step 3: Cross multiply
    2,709.79x = 3,733.70 × 1,824.05
  4. Step 4: Simplify right side
    2,709.79x = 6,810,455.70
  5. Step 5: Solve for x
    x = 6,810,455.70/2,709.79
  6. Step 6: Final answer
    x = 2,513.28

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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.