Home / 1,704.51-2,558.12-1,086.62

Finding the Fourth Proportional to 1,704.51, 2,558.12 and 1,086.62

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Solution

The fourth proportional to 1,704.51, 2,558.12 and 1,086.62 is: 1,630.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,704.51 : 2,558.12 = 1,086.62 : x
  2. Step 2: Convert to fraction form
    1,704.51/2,558.12 = 1,086.62/x
  3. Step 3: Cross multiply
    1,704.51x = 2,558.12 × 1,086.62
  4. Step 4: Simplify right side
    1,704.51x = 2,779,686.13
  5. Step 5: Solve for x
    x = 2,779,686.13/1,704.51
  6. Step 6: Final answer
    x = 1,630.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.