Home / 3,155.23-4,733.93-1,207.99

Finding the Fourth Proportional to 3,155.23, 4,733.93 and 1,207.99

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Solution

The fourth proportional to 3,155.23, 4,733.93 and 1,207.99 is: 1,812.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155.23 : 4,733.93 = 1,207.99 : x
  2. Step 2: Convert to fraction form
    3,155.23/4,733.93 = 1,207.99/x
  3. Step 3: Cross multiply
    3,155.23x = 4,733.93 × 1,207.99
  4. Step 4: Simplify right side
    3,155.23x = 5,718,540.10
  5. Step 5: Solve for x
    x = 5,718,540.10/3,155.23
  6. Step 6: Final answer
    x = 1,812.40

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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.