Home / 1,225.08-1,837.86-1,102.68

Finding the Fourth Proportional to 1,225.08, 1,837.86 and 1,102.68

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Solution

The fourth proportional to 1,225.08, 1,837.86 and 1,102.68 is: 1,654.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225.08 : 1,837.86 = 1,102.68 : x
  2. Step 2: Convert to fraction form
    1,225.08/1,837.86 = 1,102.68/x
  3. Step 3: Cross multiply
    1,225.08x = 1,837.86 × 1,102.68
  4. Step 4: Simplify right side
    1,225.08x = 2,026,571.46
  5. Step 5: Solve for x
    x = 2,026,571.46/1,225.08
  6. Step 6: Final answer
    x = 1,654.24

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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.