Home / 1,937.58-2,673.03-1,191.30

Finding the Fourth Proportional to 1,937.58, 2,673.03 and 1,191.30

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Solution

The fourth proportional to 1,937.58, 2,673.03 and 1,191.30 is: 1,643.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,937.58 : 2,673.03 = 1,191.30 : x
  2. Step 2: Convert to fraction form
    1,937.58/2,673.03 = 1,191.30/x
  3. Step 3: Cross multiply
    1,937.58x = 2,673.03 × 1,191.30
  4. Step 4: Simplify right side
    1,937.58x = 3,184,380.64
  5. Step 5: Solve for x
    x = 3,184,380.64/1,937.58
  6. Step 6: Final answer
    x = 1,643.48

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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.