Home / 1,218.24-1,827.14-601.72

Finding the Fourth Proportional to 1,218.24, 1,827.14 and 601.72

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Solution

The fourth proportional to 1,218.24, 1,827.14 and 601.72 is: 902.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218.24 : 1,827.14 = 601.72 : x
  2. Step 2: Convert to fraction form
    1,218.24/1,827.14 = 601.72/x
  3. Step 3: Cross multiply
    1,218.24x = 1,827.14 × 601.72
  4. Step 4: Simplify right side
    1,218.24x = 1,099,426.68
  5. Step 5: Solve for x
    x = 1,099,426.68/1,218.24
  6. Step 6: Final answer
    x = 902.47

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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.