Home / 1,461.23-2,191.79-365.58

Finding the Fourth Proportional to 1,461.23, 2,191.79 and 365.58

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Solution

The fourth proportional to 1,461.23, 2,191.79 and 365.58 is: 548.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,461.23 : 2,191.79 = 365.58 : x
  2. Step 2: Convert to fraction form
    1,461.23/2,191.79 = 365.58/x
  3. Step 3: Cross multiply
    1,461.23x = 2,191.79 × 365.58
  4. Step 4: Simplify right side
    1,461.23x = 801,274.59
  5. Step 5: Solve for x
    x = 801,274.59/1,461.23
  6. Step 6: Final answer
    x = 548.36

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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.