Home / 1,973.49-2,723.55-1,089.30

Finding the Fourth Proportional to 1,973.49, 2,723.55 and 1,089.30

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Solution

The fourth proportional to 1,973.49, 2,723.55 and 1,089.30 is: 1,503.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,973.49 : 2,723.55 = 1,089.30 : x
  2. Step 2: Convert to fraction form
    1,973.49/2,723.55 = 1,089.30/x
  3. Step 3: Cross multiply
    1,973.49x = 2,723.55 × 1,089.30
  4. Step 4: Simplify right side
    1,973.49x = 2,966,763.02
  5. Step 5: Solve for x
    x = 2,966,763.02/1,973.49
  6. Step 6: Final answer
    x = 1,503.31

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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.