Home / 1,835.67-2,754.87-1,423.78

Finding the Fourth Proportional to 1,835.67, 2,754.87 and 1,423.78

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Solution

The fourth proportional to 1,835.67, 2,754.87 and 1,423.78 is: 2,136.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,835.67 : 2,754.87 = 1,423.78 : x
  2. Step 2: Convert to fraction form
    1,835.67/2,754.87 = 1,423.78/x
  3. Step 3: Cross multiply
    1,835.67x = 2,754.87 × 1,423.78
  4. Step 4: Simplify right side
    1,835.67x = 3,922,328.81
  5. Step 5: Solve for x
    x = 3,922,328.81/1,835.67
  6. Step 6: Final answer
    x = 2,136.73

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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.