Home / 2,828.34-3,903.57-1,709.34

Finding the Fourth Proportional to 2,828.34, 3,903.57 and 1,709.34

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Solution

The fourth proportional to 2,828.34, 3,903.57 and 1,709.34 is: 2,359.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,828.34 : 3,903.57 = 1,709.34 : x
  2. Step 2: Convert to fraction form
    2,828.34/3,903.57 = 1,709.34/x
  3. Step 3: Cross multiply
    2,828.34x = 3,903.57 × 1,709.34
  4. Step 4: Simplify right side
    2,828.34x = 6,672,528.34
  5. Step 5: Solve for x
    x = 6,672,528.34/2,828.34
  6. Step 6: Final answer
    x = 2,359.17

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1.5x scale

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.