Home / 1,224.11-1,835.60-444.02

Finding the Fourth Proportional to 1,224.11, 1,835.60 and 444.02

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Solution

The fourth proportional to 1,224.11, 1,835.60 and 444.02 is: 665.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224.11 : 1,835.60 = 444.02 : x
  2. Step 2: Convert to fraction form
    1,224.11/1,835.60 = 444.02/x
  3. Step 3: Cross multiply
    1,224.11x = 1,835.60 × 444.02
  4. Step 4: Simplify right side
    1,224.11x = 815,031.71
  5. Step 5: Solve for x
    x = 815,031.71/1,224.11
  6. Step 6: Final answer
    x = 665.81

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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.