Home / 2,764.50-4,136.96-1,723.66

Finding the Fourth Proportional to 2,764.50, 4,136.96 and 1,723.66

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Solution

The fourth proportional to 2,764.50, 4,136.96 and 1,723.66 is: 2,579.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,764.50 : 4,136.96 = 1,723.66 : x
  2. Step 2: Convert to fraction form
    2,764.50/4,136.96 = 1,723.66/x
  3. Step 3: Cross multiply
    2,764.50x = 4,136.96 × 1,723.66
  4. Step 4: Simplify right side
    2,764.50x = 7,130,712.47
  5. Step 5: Solve for x
    x = 7,130,712.47/2,764.50
  6. Step 6: Final answer
    x = 2,579.39

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1.5x scale

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.