Home / 2,289.14-3,433.78-1,585.66

Finding the Fourth Proportional to 2,289.14, 3,433.78 and 1,585.66

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Solution

The fourth proportional to 2,289.14, 3,433.78 and 1,585.66 is: 2,378.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,289.14 : 3,433.78 = 1,585.66 : x
  2. Step 2: Convert to fraction form
    2,289.14/3,433.78 = 1,585.66/x
  3. Step 3: Cross multiply
    2,289.14x = 3,433.78 × 1,585.66
  4. Step 4: Simplify right side
    2,289.14x = 5,444,807.59
  5. Step 5: Solve for x
    x = 5,444,807.59/2,289.14
  6. Step 6: Final answer
    x = 2,378.54

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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.