Home / 1,910.30-2,865.29-1,352.70

Finding the Fourth Proportional to 1,910.30, 2,865.29 and 1,352.70

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Solution

The fourth proportional to 1,910.30, 2,865.29 and 1,352.70 is: 2,028.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,910.30 : 2,865.29 = 1,352.70 : x
  2. Step 2: Convert to fraction form
    1,910.30/2,865.29 = 1,352.70/x
  3. Step 3: Cross multiply
    1,910.30x = 2,865.29 × 1,352.70
  4. Step 4: Simplify right side
    1,910.30x = 3,875,871.02
  5. Step 5: Solve for x
    x = 3,875,871.02/1,910.30
  6. Step 6: Final answer
    x = 2,028.94

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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.