Home / 2,308.40-3,459.36-1,730.64

Finding the Fourth Proportional to 2,308.40, 3,459.36 and 1,730.64

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Solution

The fourth proportional to 2,308.40, 3,459.36 and 1,730.64 is: 2,593.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,308.40 : 3,459.36 = 1,730.64 : x
  2. Step 2: Convert to fraction form
    2,308.40/3,459.36 = 1,730.64/x
  3. Step 3: Cross multiply
    2,308.40x = 3,459.36 × 1,730.64
  4. Step 4: Simplify right side
    2,308.40x = 5,986,906.79
  5. Step 5: Solve for x
    x = 5,986,906.79/2,308.40
  6. Step 6: Final answer
    x = 2,593.53

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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.