Home / 2,633.12-3,957.36-1,266.08

Finding the Fourth Proportional to 2,633.12, 3,957.36 and 1,266.08

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Solution

The fourth proportional to 2,633.12, 3,957.36 and 1,266.08 is: 1,902.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,633.12 : 3,957.36 = 1,266.08 : x
  2. Step 2: Convert to fraction form
    2,633.12/3,957.36 = 1,266.08/x
  3. Step 3: Cross multiply
    2,633.12x = 3,957.36 × 1,266.08
  4. Step 4: Simplify right side
    2,633.12x = 5,010,334.35
  5. Step 5: Solve for x
    x = 5,010,334.35/2,633.12
  6. Step 6: Final answer
    x = 1,902.81

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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.