Home / 2,147.51-2,956.41-1,926.08

Finding the Fourth Proportional to 2,147.51, 2,956.41 and 1,926.08

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Solution

The fourth proportional to 2,147.51, 2,956.41 and 1,926.08 is: 2,651.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147.51 : 2,956.41 = 1,926.08 : x
  2. Step 2: Convert to fraction form
    2,147.51/2,956.41 = 1,926.08/x
  3. Step 3: Cross multiply
    2,147.51x = 2,956.41 × 1,926.08
  4. Step 4: Simplify right side
    2,147.51x = 5,694,282.17
  5. Step 5: Solve for x
    x = 5,694,282.17/2,147.51
  6. Step 6: Final answer
    x = 2,651.57

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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.