Home / 1,687.04-2,327.43-1,022.74

Finding the Fourth Proportional to 1,687.04, 2,327.43 and 1,022.74

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Solution

The fourth proportional to 1,687.04, 2,327.43 and 1,022.74 is: 1,410.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687.04 : 2,327.43 = 1,022.74 : x
  2. Step 2: Convert to fraction form
    1,687.04/2,327.43 = 1,022.74/x
  3. Step 3: Cross multiply
    1,687.04x = 2,327.43 × 1,022.74
  4. Step 4: Simplify right side
    1,687.04x = 2,380,355.76
  5. Step 5: Solve for x
    x = 2,380,355.76/1,687.04
  6. Step 6: Final answer
    x = 1,410.97

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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.