Home / 1,651.88-2,487.38-1,362.12

Finding the Fourth Proportional to 1,651.88, 2,487.38 and 1,362.12

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Solution

The fourth proportional to 1,651.88, 2,487.38 and 1,362.12 is: 2,051.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,651.88 : 2,487.38 = 1,362.12 : x
  2. Step 2: Convert to fraction form
    1,651.88/2,487.38 = 1,362.12/x
  3. Step 3: Cross multiply
    1,651.88x = 2,487.38 × 1,362.12
  4. Step 4: Simplify right side
    1,651.88x = 3,388,110.05
  5. Step 5: Solve for x
    x = 3,388,110.05/1,651.88
  6. Step 6: Final answer
    x = 2,051.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.