Home / 1,973.53-2,723.32-1,089.33

Finding the Fourth Proportional to 1,973.53, 2,723.32 and 1,089.33

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Solution

The fourth proportional to 1,973.53, 2,723.32 and 1,089.33 is: 1,503.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,973.53 : 2,723.32 = 1,089.33 : x
  2. Step 2: Convert to fraction form
    1,973.53/2,723.32 = 1,089.33/x
  3. Step 3: Cross multiply
    1,973.53x = 2,723.32 × 1,089.33
  4. Step 4: Simplify right side
    1,973.53x = 2,966,594.18
  5. Step 5: Solve for x
    x = 2,966,594.18/1,973.53
  6. Step 6: Final answer
    x = 1,503.19

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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.