Home / 1,973.81-2,723.79-1,089.54

Finding the Fourth Proportional to 1,973.81, 2,723.79 and 1,089.54

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Solution

The fourth proportional to 1,973.81, 2,723.79 and 1,089.54 is: 1,503.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,973.81 : 2,723.79 = 1,089.54 : x
  2. Step 2: Convert to fraction form
    1,973.81/2,723.79 = 1,089.54/x
  3. Step 3: Cross multiply
    1,973.81x = 2,723.79 × 1,089.54
  4. Step 4: Simplify right side
    1,973.81x = 2,967,678.16
  5. Step 5: Solve for x
    x = 2,967,678.16/1,973.81
  6. Step 6: Final answer
    x = 1,503.53

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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.