Home / 1,642.36-2,267.04-1,447.96

Finding the Fourth Proportional to 1,642.36, 2,267.04 and 1,447.96

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Solution

The fourth proportional to 1,642.36, 2,267.04 and 1,447.96 is: 1,998.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,642.36 : 2,267.04 = 1,447.96 : x
  2. Step 2: Convert to fraction form
    1,642.36/2,267.04 = 1,447.96/x
  3. Step 3: Cross multiply
    1,642.36x = 2,267.04 × 1,447.96
  4. Step 4: Simplify right side
    1,642.36x = 3,282,583.24
  5. Step 5: Solve for x
    x = 3,282,583.24/1,642.36
  6. Step 6: Final answer
    x = 1,998.70

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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.