Home / 1,910.03-2,875.09-1,628.15

Finding the Fourth Proportional to 1,910.03, 2,875.09 and 1,628.15

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Solution

The fourth proportional to 1,910.03, 2,875.09 and 1,628.15 is: 2,450.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,910.03 : 2,875.09 = 1,628.15 : x
  2. Step 2: Convert to fraction form
    1,910.03/2,875.09 = 1,628.15/x
  3. Step 3: Cross multiply
    1,910.03x = 2,875.09 × 1,628.15
  4. Step 4: Simplify right side
    1,910.03x = 4,681,059.34
  5. Step 5: Solve for x
    x = 4,681,059.34/1,910.03
  6. Step 6: Final answer
    x = 2,450.78

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.