Home / 1,927.45-2,659.17-1,264.68

Finding the Fourth Proportional to 1,927.45, 2,659.17 and 1,264.68

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Solution

The fourth proportional to 1,927.45, 2,659.17 and 1,264.68 is: 1,744.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,927.45 : 2,659.17 = 1,264.68 : x
  2. Step 2: Convert to fraction form
    1,927.45/2,659.17 = 1,264.68/x
  3. Step 3: Cross multiply
    1,927.45x = 2,659.17 × 1,264.68
  4. Step 4: Simplify right side
    1,927.45x = 3,362,999.12
  5. Step 5: Solve for x
    x = 3,362,999.12/1,927.45
  6. Step 6: Final answer
    x = 1,744.79

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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.