Home / 2,308.23-3,461.28-664.38

Finding the Fourth Proportional to 2,308.23, 3,461.28 and 664.38

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Solution

The fourth proportional to 2,308.23, 3,461.28 and 664.38 is: 996.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,308.23 : 3,461.28 = 664.38 : x
  2. Step 2: Convert to fraction form
    2,308.23/3,461.28 = 664.38/x
  3. Step 3: Cross multiply
    2,308.23x = 3,461.28 × 664.38
  4. Step 4: Simplify right side
    2,308.23x = 2,299,605.21
  5. Step 5: Solve for x
    x = 2,299,605.21/2,308.23
  6. Step 6: Final answer
    x = 996.26

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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.