Home / 1,973.82-2,960.75-1,913.68

Finding the Fourth Proportional to 1,973.82, 2,960.75 and 1,913.68

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Solution

The fourth proportional to 1,973.82, 2,960.75 and 1,913.68 is: 2,870.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,973.82 : 2,960.75 = 1,913.68 : x
  2. Step 2: Convert to fraction form
    1,973.82/2,960.75 = 1,913.68/x
  3. Step 3: Cross multiply
    1,973.82x = 2,960.75 × 1,913.68
  4. Step 4: Simplify right side
    1,973.82x = 5,665,919.89
  5. Step 5: Solve for x
    x = 5,665,919.89/1,973.82
  6. Step 6: Final answer
    x = 2,870.54

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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.