Home / 2,289.34-3,431.58-1,675.66

Finding the Fourth Proportional to 2,289.34, 3,431.58 and 1,675.66

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Solution

The fourth proportional to 2,289.34, 3,431.58 and 1,675.66 is: 2,511.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,289.34 : 3,431.58 = 1,675.66 : x
  2. Step 2: Convert to fraction form
    2,289.34/3,431.58 = 1,675.66/x
  3. Step 3: Cross multiply
    2,289.34x = 3,431.58 × 1,675.66
  4. Step 4: Simplify right side
    2,289.34x = 5,750,161.34
  5. Step 5: Solve for x
    x = 5,750,161.34/2,289.34
  6. Step 6: Final answer
    x = 2,511.71

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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.