Home / 2,709.32-3,737.06-1,922

Finding the Fourth Proportional to 2,709.32, 3,737.06 and 1,922

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Solution

The fourth proportional to 2,709.32, 3,737.06 and 1,922 is: 2,651.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,709.32 : 3,737.06 = 1,922 : x
  2. Step 2: Convert to fraction form
    2,709.32/3,737.06 = 1,922/x
  3. Step 3: Cross multiply
    2,709.32x = 3,737.06 × 1,922
  4. Step 4: Simplify right side
    2,709.32x = 7,182,619.71
  5. Step 5: Solve for x
    x = 7,182,619.71/2,709.32
  6. Step 6: Final answer
    x = 2,651.08

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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.