Home / 1,764.12-2,646.60-609.88

Finding the Fourth Proportional to 1,764.12, 2,646.60 and 609.88

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Solution

The fourth proportional to 1,764.12, 2,646.60 and 609.88 is: 914.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,764.12 : 2,646.60 = 609.88 : x
  2. Step 2: Convert to fraction form
    1,764.12/2,646.60 = 609.88/x
  3. Step 3: Cross multiply
    1,764.12x = 2,646.60 × 609.88
  4. Step 4: Simplify right side
    1,764.12x = 1,614,108.41
  5. Step 5: Solve for x
    x = 1,614,108.41/1,764.12
  6. Step 6: Final answer
    x = 914.97

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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.