Home / 2,308.20-3,461.76-846.56

Finding the Fourth Proportional to 2,308.20, 3,461.76 and 846.56

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Solution

The fourth proportional to 2,308.20, 3,461.76 and 846.56 is: 1,269.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,308.20 : 3,461.76 = 846.56 : x
  2. Step 2: Convert to fraction form
    2,308.20/3,461.76 = 846.56/x
  3. Step 3: Cross multiply
    2,308.20x = 3,461.76 × 846.56
  4. Step 4: Simplify right side
    2,308.20x = 2,930,570.24
  5. Step 5: Solve for x
    x = 2,930,570.24/2,308.20
  6. Step 6: Final answer
    x = 1,269.63

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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.