Home / 2,251.96-3,106.08-1,355.08

Finding the Fourth Proportional to 2,251.96, 3,106.08 and 1,355.08

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Solution

The fourth proportional to 2,251.96, 3,106.08 and 1,355.08 is: 1,869.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,251.96 : 3,106.08 = 1,355.08 : x
  2. Step 2: Convert to fraction form
    2,251.96/3,106.08 = 1,355.08/x
  3. Step 3: Cross multiply
    2,251.96x = 3,106.08 × 1,355.08
  4. Step 4: Simplify right side
    2,251.96x = 4,208,986.89
  5. Step 5: Solve for x
    x = 4,208,986.89/2,251.96
  6. Step 6: Final answer
    x = 1,869.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.