Home / 1,723.85-2,586.17-491.27

Finding the Fourth Proportional to 1,723.85, 2,586.17 and 491.27

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Solution

The fourth proportional to 1,723.85, 2,586.17 and 491.27 is: 737.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,723.85 : 2,586.17 = 491.27 : x
  2. Step 2: Convert to fraction form
    1,723.85/2,586.17 = 491.27/x
  3. Step 3: Cross multiply
    1,723.85x = 2,586.17 × 491.27
  4. Step 4: Simplify right side
    1,723.85x = 1,270,507.74
  5. Step 5: Solve for x
    x = 1,270,507.74/1,723.85
  6. Step 6: Final answer
    x = 737.02

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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.