Home / 1,346.51-2,022.07-731.42

Finding the Fourth Proportional to 1,346.51, 2,022.07 and 731.42

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Solution

The fourth proportional to 1,346.51, 2,022.07 and 731.42 is: 1,098.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346.51 : 2,022.07 = 731.42 : x
  2. Step 2: Convert to fraction form
    1,346.51/2,022.07 = 731.42/x
  3. Step 3: Cross multiply
    1,346.51x = 2,022.07 × 731.42
  4. Step 4: Simplify right side
    1,346.51x = 1,478,978.67
  5. Step 5: Solve for x
    x = 1,478,978.67/1,346.51
  6. Step 6: Final answer
    x = 1,098.38

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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.