Home / 1,973.20-2,723.06-1,089.06

Finding the Fourth Proportional to 1,973.20, 2,723.06 and 1,089.06

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Solution

The fourth proportional to 1,973.20, 2,723.06 and 1,089.06 is: 1,502.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,973.20 : 2,723.06 = 1,089.06 : x
  2. Step 2: Convert to fraction form
    1,973.20/2,723.06 = 1,089.06/x
  3. Step 3: Cross multiply
    1,973.20x = 2,723.06 × 1,089.06
  4. Step 4: Simplify right side
    1,973.20x = 2,965,575.72
  5. Step 5: Solve for x
    x = 2,965,575.72/1,973.20
  6. Step 6: Final answer
    x = 1,502.93

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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.