Home / 1,837.06-2,756.58-1,221.06

Finding the Fourth Proportional to 1,837.06, 2,756.58 and 1,221.06

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Solution

The fourth proportional to 1,837.06, 2,756.58 and 1,221.06 is: 1,832.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,837.06 : 2,756.58 = 1,221.06 : x
  2. Step 2: Convert to fraction form
    1,837.06/2,756.58 = 1,221.06/x
  3. Step 3: Cross multiply
    1,837.06x = 2,756.58 × 1,221.06
  4. Step 4: Simplify right side
    1,837.06x = 3,365,946.70
  5. Step 5: Solve for x
    x = 3,365,946.70/1,837.06
  6. Step 6: Final answer
    x = 1,832.24

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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.