Home / 2,151.93-3,226.01-1,419.96

Finding the Fourth Proportional to 2,151.93, 3,226.01 and 1,419.96

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Solution

The fourth proportional to 2,151.93, 3,226.01 and 1,419.96 is: 2,128.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,151.93 : 3,226.01 = 1,419.96 : x
  2. Step 2: Convert to fraction form
    2,151.93/3,226.01 = 1,419.96/x
  3. Step 3: Cross multiply
    2,151.93x = 3,226.01 × 1,419.96
  4. Step 4: Simplify right side
    2,151.93x = 4,580,798.06
  5. Step 5: Solve for x
    x = 4,580,798.06/2,151.93
  6. Step 6: Final answer
    x = 2,128.69

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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.