Home / 2,927.79-4,039.52-1,748.43

Finding the Fourth Proportional to 2,927.79, 4,039.52 and 1,748.43

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Solution

The fourth proportional to 2,927.79, 4,039.52 and 1,748.43 is: 2,412.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,927.79 : 4,039.52 = 1,748.43 : x
  2. Step 2: Convert to fraction form
    2,927.79/4,039.52 = 1,748.43/x
  3. Step 3: Cross multiply
    2,927.79x = 4,039.52 × 1,748.43
  4. Step 4: Simplify right side
    2,927.79x = 7,062,817.95
  5. Step 5: Solve for x
    x = 7,062,817.95/2,927.79
  6. Step 6: Final answer
    x = 2,412.34

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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.