Home / 1,834.69-2,753.02-1,218.68

Finding the Fourth Proportional to 1,834.69, 2,753.02 and 1,218.68

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Solution

The fourth proportional to 1,834.69, 2,753.02 and 1,218.68 is: 1,828.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,834.69 : 2,753.02 = 1,218.68 : x
  2. Step 2: Convert to fraction form
    1,834.69/2,753.02 = 1,218.68/x
  3. Step 3: Cross multiply
    1,834.69x = 2,753.02 × 1,218.68
  4. Step 4: Simplify right side
    1,834.69x = 3,355,050.41
  5. Step 5: Solve for x
    x = 3,355,050.41/1,834.69
  6. Step 6: Final answer
    x = 1,828.67

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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.