Home / 1,723.68-2,586.74-1,176.39

Finding the Fourth Proportional to 1,723.68, 2,586.74 and 1,176.39

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Solution

The fourth proportional to 1,723.68, 2,586.74 and 1,176.39 is: 1,765.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,723.68 : 2,586.74 = 1,176.39 : x
  2. Step 2: Convert to fraction form
    1,723.68/2,586.74 = 1,176.39/x
  3. Step 3: Cross multiply
    1,723.68x = 2,586.74 × 1,176.39
  4. Step 4: Simplify right side
    1,723.68x = 3,043,009.19
  5. Step 5: Solve for x
    x = 3,043,009.19/1,723.68
  6. Step 6: Final answer
    x = 1,765.41

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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.