Home / 1,973.46-2,723.39-1,089.28

Finding the Fourth Proportional to 1,973.46, 2,723.39 and 1,089.28

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Solution

The fourth proportional to 1,973.46, 2,723.39 and 1,089.28 is: 1,503.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,973.46 : 2,723.39 = 1,089.28 : x
  2. Step 2: Convert to fraction form
    1,973.46/2,723.39 = 1,089.28/x
  3. Step 3: Cross multiply
    1,973.46x = 2,723.39 × 1,089.28
  4. Step 4: Simplify right side
    1,973.46x = 2,966,536.30
  5. Step 5: Solve for x
    x = 2,966,536.30/1,973.46
  6. Step 6: Final answer
    x = 1,503.21

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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.