Home / 2,308.21-3,462.26-664.76

Finding the Fourth Proportional to 2,308.21, 3,462.26 and 664.76

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Solution

The fourth proportional to 2,308.21, 3,462.26 and 664.76 is: 997.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,308.21 : 3,462.26 = 664.76 : x
  2. Step 2: Convert to fraction form
    2,308.21/3,462.26 = 664.76/x
  3. Step 3: Cross multiply
    2,308.21x = 3,462.26 × 664.76
  4. Step 4: Simplify right side
    2,308.21x = 2,301,577.29
  5. Step 5: Solve for x
    x = 2,301,577.29/2,308.21
  6. Step 6: Final answer
    x = 997.13

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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.