Home / 2,289.79-3,433.12-1,056.51

Finding the Fourth Proportional to 2,289.79, 3,433.12 and 1,056.51

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Solution

The fourth proportional to 2,289.79, 3,433.12 and 1,056.51 is: 1,584.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,289.79 : 3,433.12 = 1,056.51 : x
  2. Step 2: Convert to fraction form
    2,289.79/3,433.12 = 1,056.51/x
  3. Step 3: Cross multiply
    2,289.79x = 3,433.12 × 1,056.51
  4. Step 4: Simplify right side
    2,289.79x = 3,627,122.97
  5. Step 5: Solve for x
    x = 3,627,122.97/2,289.79
  6. Step 6: Final answer
    x = 1,584.04

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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.