Home / 3,089.92-4,633.60-1,143.68

Finding the Fourth Proportional to 3,089.92, 4,633.60 and 1,143.68

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Solution

The fourth proportional to 3,089.92, 4,633.60 and 1,143.68 is: 1,715.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,089.92 : 4,633.60 = 1,143.68 : x
  2. Step 2: Convert to fraction form
    3,089.92/4,633.60 = 1,143.68/x
  3. Step 3: Cross multiply
    3,089.92x = 4,633.60 × 1,143.68
  4. Step 4: Simplify right side
    3,089.92x = 5,299,355.65
  5. Step 5: Solve for x
    x = 5,299,355.65/3,089.92
  6. Step 6: Final answer
    x = 1,715.05

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1.5x scale

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.