Home / 2,451.12-3,675.96-1,355.28

Finding the Fourth Proportional to 2,451.12, 3,675.96 and 1,355.28

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Solution

The fourth proportional to 2,451.12, 3,675.96 and 1,355.28 is: 2,032.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,451.12 : 3,675.96 = 1,355.28 : x
  2. Step 2: Convert to fraction form
    2,451.12/3,675.96 = 1,355.28/x
  3. Step 3: Cross multiply
    2,451.12x = 3,675.96 × 1,355.28
  4. Step 4: Simplify right side
    2,451.12x = 4,981,955.07
  5. Step 5: Solve for x
    x = 4,981,955.07/2,451.12
  6. Step 6: Final answer
    x = 2,032.52

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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.