Home / 1,973.32-2,723.08-1,089.07

Finding the Fourth Proportional to 1,973.32, 2,723.08 and 1,089.07

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Solution

The fourth proportional to 1,973.32, 2,723.08 and 1,089.07 is: 1,502.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,973.32 : 2,723.08 = 1,089.07 : x
  2. Step 2: Convert to fraction form
    1,973.32/2,723.08 = 1,089.07/x
  3. Step 3: Cross multiply
    1,973.32x = 2,723.08 × 1,089.07
  4. Step 4: Simplify right side
    1,973.32x = 2,965,626.44
  5. Step 5: Solve for x
    x = 2,965,626.44/1,973.32
  6. Step 6: Final answer
    x = 1,502.86

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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.