Home / 1,973.57-2,723.29-1,089.32

Finding the Fourth Proportional to 1,973.57, 2,723.29 and 1,089.32

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Solution

The fourth proportional to 1,973.57, 2,723.29 and 1,089.32 is: 1,503.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,973.57 : 2,723.29 = 1,089.32 : x
  2. Step 2: Convert to fraction form
    1,973.57/2,723.29 = 1,089.32/x
  3. Step 3: Cross multiply
    1,973.57x = 2,723.29 × 1,089.32
  4. Step 4: Simplify right side
    1,973.57x = 2,966,517.92
  5. Step 5: Solve for x
    x = 2,966,517.92/1,973.57
  6. Step 6: Final answer
    x = 1,503.13

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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.