Home / 2,723.92-4,085.08-1,424.68

Finding the Fourth Proportional to 2,723.92, 4,085.08 and 1,424.68

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Solution

The fourth proportional to 2,723.92, 4,085.08 and 1,424.68 is: 2,136.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,723.92 : 4,085.08 = 1,424.68 : x
  2. Step 2: Convert to fraction form
    2,723.92/4,085.08 = 1,424.68/x
  3. Step 3: Cross multiply
    2,723.92x = 4,085.08 × 1,424.68
  4. Step 4: Simplify right side
    2,723.92x = 5,819,931.77
  5. Step 5: Solve for x
    x = 5,819,931.77/2,723.92
  6. Step 6: Final answer
    x = 2,136.60

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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.