Home / 1,224.08-1,836.36-1,101.68

Finding the Fourth Proportional to 1,224.08, 1,836.36 and 1,101.68

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Solution

The fourth proportional to 1,224.08, 1,836.36 and 1,101.68 is: 1,652.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224.08 : 1,836.36 = 1,101.68 : x
  2. Step 2: Convert to fraction form
    1,224.08/1,836.36 = 1,101.68/x
  3. Step 3: Cross multiply
    1,224.08x = 1,836.36 × 1,101.68
  4. Step 4: Simplify right side
    1,224.08x = 2,023,081.08
  5. Step 5: Solve for x
    x = 2,023,081.08/1,224.08
  6. Step 6: Final answer
    x = 1,652.74

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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.