Home / 1,907.14-2,628.77-1,346.72

Finding the Fourth Proportional to 1,907.14, 2,628.77 and 1,346.72

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Solution

The fourth proportional to 1,907.14, 2,628.77 and 1,346.72 is: 1,856.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,907.14 : 2,628.77 = 1,346.72 : x
  2. Step 2: Convert to fraction form
    1,907.14/2,628.77 = 1,346.72/x
  3. Step 3: Cross multiply
    1,907.14x = 2,628.77 × 1,346.72
  4. Step 4: Simplify right side
    1,907.14x = 3,540,207.36
  5. Step 5: Solve for x
    x = 3,540,207.36/1,907.14
  6. Step 6: Final answer
    x = 1,856.29

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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.