Home / 3,155.44-4,734.08-1,207.84

Finding the Fourth Proportional to 3,155.44, 4,734.08 and 1,207.84

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Solution

The fourth proportional to 3,155.44, 4,734.08 and 1,207.84 is: 1,812.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155.44 : 4,734.08 = 1,207.84 : x
  2. Step 2: Convert to fraction form
    3,155.44/4,734.08 = 1,207.84/x
  3. Step 3: Cross multiply
    3,155.44x = 4,734.08 × 1,207.84
  4. Step 4: Simplify right side
    3,155.44x = 5,718,011.19
  5. Step 5: Solve for x
    x = 5,718,011.19/3,155.44
  6. Step 6: Final answer
    x = 1,812.11

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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.