Home / 1,973.29-2,723.12-1,089.10

Finding the Fourth Proportional to 1,973.29, 2,723.12 and 1,089.10

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Solution

The fourth proportional to 1,973.29, 2,723.12 and 1,089.10 is: 1,502.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,973.29 : 2,723.12 = 1,089.10 : x
  2. Step 2: Convert to fraction form
    1,973.29/2,723.12 = 1,089.10/x
  3. Step 3: Cross multiply
    1,973.29x = 2,723.12 × 1,089.10
  4. Step 4: Simplify right side
    1,973.29x = 2,965,730.93
  5. Step 5: Solve for x
    x = 2,965,730.93/1,973.29
  6. Step 6: Final answer
    x = 1,502.94

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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.