Home / 1,536.80-2,118.24-1,448.96

Finding the Fourth Proportional to 1,536.80, 2,118.24 and 1,448.96

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Solution

The fourth proportional to 1,536.80, 2,118.24 and 1,448.96 is: 1,997.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,536.80 : 2,118.24 = 1,448.96 : x
  2. Step 2: Convert to fraction form
    1,536.80/2,118.24 = 1,448.96/x
  3. Step 3: Cross multiply
    1,536.80x = 2,118.24 × 1,448.96
  4. Step 4: Simplify right side
    1,536.80x = 3,069,245.03
  5. Step 5: Solve for x
    x = 3,069,245.03/1,536.80
  6. Step 6: Final answer
    x = 1,997.17

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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.