Home / 1,927.56-2,660.94-1,730.46

Finding the Fourth Proportional to 1,927.56, 2,660.94 and 1,730.46

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Solution

The fourth proportional to 1,927.56, 2,660.94 and 1,730.46 is: 2,388.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,927.56 : 2,660.94 = 1,730.46 : x
  2. Step 2: Convert to fraction form
    1,927.56/2,660.94 = 1,730.46/x
  3. Step 3: Cross multiply
    1,927.56x = 2,660.94 × 1,730.46
  4. Step 4: Simplify right side
    1,927.56x = 4,604,650.23
  5. Step 5: Solve for x
    x = 4,604,650.23/1,927.56
  6. Step 6: Final answer
    x = 2,388.85

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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.