Home / 1,712.96-2,363.68-1,004.28

Finding the Fourth Proportional to 1,712.96, 2,363.68 and 1,004.28

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Solution

The fourth proportional to 1,712.96, 2,363.68 and 1,004.28 is: 1,385.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,712.96 : 2,363.68 = 1,004.28 : x
  2. Step 2: Convert to fraction form
    1,712.96/2,363.68 = 1,004.28/x
  3. Step 3: Cross multiply
    1,712.96x = 2,363.68 × 1,004.28
  4. Step 4: Simplify right side
    1,712.96x = 2,373,796.55
  5. Step 5: Solve for x
    x = 2,373,796.55/1,712.96
  6. Step 6: Final answer
    x = 1,385.79

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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.