Home / 1,784.96-2,463.68-1,086.72

Finding the Fourth Proportional to 1,784.96, 2,463.68 and 1,086.72

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Solution

The fourth proportional to 1,784.96, 2,463.68 and 1,086.72 is: 1,499.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,784.96 : 2,463.68 = 1,086.72 : x
  2. Step 2: Convert to fraction form
    1,784.96/2,463.68 = 1,086.72/x
  3. Step 3: Cross multiply
    1,784.96x = 2,463.68 × 1,086.72
  4. Step 4: Simplify right side
    1,784.96x = 2,677,330.33
  5. Step 5: Solve for x
    x = 2,677,330.33/1,784.96
  6. Step 6: Final answer
    x = 1,499.94

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.